Finding the Third Proportional to 47,115,288 and 99,662,812

Step by Step Solution

1. Step 1: Write the proportion equation
   47,115,288 : 99,662,812 = 99,662,812 : x
2. Step 2: Convert to fraction form
   47,115,288/99,662,812 = 99,662,812/x
3. Step 3: Cross multiply
   47,115,288x = 99,662,812 × 99,662,812
4. Step 4: Simplify right side
   47,115,288x = 9,932,676,095,747,344
5. Step 5: Solve for x
   x = 9,932,676,095,747,344/47,115,288
6. Step 6: Final answer
   x = 210,816,414.74