Finding the Third Proportional to 5,188,020 and 8,287,974

Step by Step Solution

1. Step 1: Write the proportion equation
   5,188,020 : 8,287,974 = 8,287,974 : x
2. Step 2: Convert to fraction form
   5,188,020/8,287,974 = 8,287,974/x
3. Step 3: Cross multiply
   5,188,020x = 8,287,974 × 8,287,974
4. Step 4: Simplify right side
   5,188,020x = 68,690,513,024,676
5. Step 5: Solve for x
   x = 68,690,513,024,676/5,188,020
6. Step 6: Final answer
   x = 13,240,217.47