Finding the Third Proportional to 47,115,432 and 99,663,210

Step by Step Solution

1. Step 1: Write the proportion equation
   47,115,432 : 99,663,210 = 99,663,210 : x
2. Step 2: Convert to fraction form
   47,115,432/99,663,210 = 99,663,210/x
3. Step 3: Cross multiply
   47,115,432x = 99,663,210 × 99,663,210
4. Step 4: Simplify right side
   47,115,432x = 9,932,755,427,504,100
5. Step 5: Solve for x
   x = 9,932,755,427,504,100/47,115,432
6. Step 6: Final answer
   x = 210,817,454.19