Finding the Third Proportional to 99,283,411.41 and 216,443,422.69

Step by Step Solution

1. Step 1: Write the proportion equation
   99,283,411.41 : 216,443,422.69 = 216,443,422.69 : x
2. Step 2: Convert to fraction form
   99,283,411.41/216,443,422.69 = 216,443,422.69/x
3. Step 3: Cross multiply
   99,283,411.41x = 216,443,422.69 × 216,443,422.69
4. Step 4: Simplify right side
   99,283,411.41x = 46,847,755,224,679,792
5. Step 5: Solve for x
   x = 46,847,755,224,679,792/99,283,411.41
6. Step 6: Final answer
   x = 471,858,838.86