Finding the Third Proportional to 31,198,695 and 69,567,105

Step by Step Solution

1. Step 1: Write the proportion equation
   31,198,695 : 69,567,105 = 69,567,105 : x
2. Step 2: Convert to fraction form
   31,198,695/69,567,105 = 69,567,105/x
3. Step 3: Cross multiply
   31,198,695x = 69,567,105 × 69,567,105
4. Step 4: Simplify right side
   31,198,695x = 4,839,582,098,081,025
5. Step 5: Solve for x
   x = 4,839,582,098,081,025/31,198,695
6. Step 6: Final answer
   x = 155,121,299.08