Finding the Third Proportional to 51,072,673 and 71,665,200

Step by Step Solution

1. Step 1: Write the proportion equation
   51,072,673 : 71,665,200 = 71,665,200 : x
2. Step 2: Convert to fraction form
   51,072,673/71,665,200 = 71,665,200/x
3. Step 3: Cross multiply
   51,072,673x = 71,665,200 × 71,665,200
4. Step 4: Simplify right side
   51,072,673x = 5,135,900,891,040,000
5. Step 5: Solve for x
   x = 5,135,900,891,040,000/51,072,673
6. Step 6: Final answer
   x = 100,560,644.07