Finding the Third Proportional to 19,369,578,208,568 and 42,687,293,342,148

Step by Step Solution

1. Step 1: Write the proportion equation
   19,369,578,208,568 : 42,687,293,342,148 = 42,687,293,342,148 : x
2. Step 2: Convert to fraction form
   19,369,578,208,568/42,687,293,342,148 = 42,687,293,342,148/x
3. Step 3: Cross multiply
   19,369,578,208,568x = 42,687,293,342,148 × 42,687,293,342,148
4. Step 4: Simplify right side
   19,369,578,208,568x = 1,822,205,012,878,592,945,508,319,232
5. Step 5: Solve for x
   x = 1,822,205,012,878,592,945,508,319,232/19,369,578,208,568
6. Step 6: Final answer
   x = 94,075,616,580,672.53