Finding the Third Proportional to 5,200,771 and 8,084,418

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200,771 : 8,084,418 = 8,084,418 : x
2. Step 2: Convert to fraction form
   5,200,771/8,084,418 = 8,084,418/x
3. Step 3: Cross multiply
   5,200,771x = 8,084,418 × 8,084,418
4. Step 4: Simplify right side
   5,200,771x = 65,357,814,398,724
5. Step 5: Solve for x
   x = 65,357,814,398,724/5,200,771
6. Step 6: Final answer
   x = 12,566,947.17