Finding the Third Proportional to 5,188,024 and 8,287,980

Step by Step Solution

1. Step 1: Write the proportion equation
   5,188,024 : 8,287,980 = 8,287,980 : x
2. Step 2: Convert to fraction form
   5,188,024/8,287,980 = 8,287,980/x
3. Step 3: Cross multiply
   5,188,024x = 8,287,980 × 8,287,980
4. Step 4: Simplify right side
   5,188,024x = 68,690,612,480,400
5. Step 5: Solve for x
   x = 68,690,612,480,400/5,188,024
6. Step 6: Final answer
   x = 13,240,226.43