Finding the Third Proportional to 31,900,326 and 69,976,734

Step by Step Solution

1. Step 1: Write the proportion equation
   31,900,326 : 69,976,734 = 69,976,734 : x
2. Step 2: Convert to fraction form
   31,900,326/69,976,734 = 69,976,734/x
3. Step 3: Cross multiply
   31,900,326x = 69,976,734 × 69,976,734
4. Step 4: Simplify right side
   31,900,326x = 4,896,743,301,306,756
5. Step 5: Solve for x
   x = 4,896,743,301,306,756/31,900,326
6. Step 6: Final answer
   x = 153,501,356.11