Finding the Third Proportional to 31,498,818 and 49,347,747

Step by Step Solution

1. Step 1: Write the proportion equation
   31,498,818 : 49,347,747 = 49,347,747 : x
2. Step 2: Convert to fraction form
   31,498,818/49,347,747 = 49,347,747/x
3. Step 3: Cross multiply
   31,498,818x = 49,347,747 × 49,347,747
4. Step 4: Simplify right side
   31,498,818x = 2,435,200,133,976,009
5. Step 5: Solve for x
   x = 2,435,200,133,976,009/31,498,818
6. Step 6: Final answer
   x = 77,310,841.76