Finding the Third Proportional to 9,955,018 and 21,719,726

Step by Step Solution

1. Step 1: Write the proportion equation
   9,955,018 : 21,719,726 = 21,719,726 : x
2. Step 2: Convert to fraction form
   9,955,018/21,719,726 = 21,719,726/x
3. Step 3: Cross multiply
   9,955,018x = 21,719,726 × 21,719,726
4. Step 4: Simplify right side
   9,955,018x = 471,746,497,515,076
5. Step 5: Solve for x
   x = 471,746,497,515,076/9,955,018
6. Step 6: Final answer
   x = 47,387,809.60