Finding the Third Proportional to 51,072,988 and 71,665,516

Step by Step Solution

1. Step 1: Write the proportion equation
   51,072,988 : 71,665,516 = 71,665,516 : x
2. Step 2: Convert to fraction form
   51,072,988/71,665,516 = 71,665,516/x
3. Step 3: Cross multiply
   51,072,988x = 71,665,516 × 71,665,516
4. Step 4: Simplify right side
   51,072,988x = 5,135,946,183,546,256
5. Step 5: Solve for x
   x = 5,135,946,183,546,256/51,072,988
6. Step 6: Final answer
   x = 100,560,910.66