Finding the Third Proportional to 19,825.59 and 42,918.19

Step by Step Solution

1. Step 1: Write the proportion equation
   19,825.59 : 42,918.19 = 42,918.19 : x
2. Step 2: Convert to fraction form
   19,825.59/42,918.19 = 42,918.19/x
3. Step 3: Cross multiply
   19,825.59x = 42,918.19 × 42,918.19
4. Step 4: Simplify right side
   19,825.59x = 1,841,970,818.29
5. Step 5: Solve for x
   x = 1,841,970,818.29/19,825.59
6. Step 6: Final answer
   x = 92,908.73