Finding the Third Proportional to 31,191,540 and 69,555,024

Step by Step Solution

1. Step 1: Write the proportion equation
   31,191,540 : 69,555,024 = 69,555,024 : x
2. Step 2: Convert to fraction form
   31,191,540/69,555,024 = 69,555,024/x
3. Step 3: Cross multiply
   31,191,540x = 69,555,024 × 69,555,024
4. Step 4: Simplify right side
   31,191,540x = 4,837,901,363,640,576
5. Step 5: Solve for x
   x = 4,837,901,363,640,576/31,191,540
6. Step 6: Final answer
   x = 155,102,997.92