Finding the Third Proportional to 5,200,782 and 8,084,434

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200,782 : 8,084,434 = 8,084,434 : x
2. Step 2: Convert to fraction form
   5,200,782/8,084,434 = 8,084,434/x
3. Step 3: Cross multiply
   5,200,782x = 8,084,434 × 8,084,434
4. Step 4: Simplify right side
   5,200,782x = 65,358,073,100,356
5. Step 5: Solve for x
   x = 65,358,073,100,356/5,200,782
6. Step 6: Final answer
   x = 12,566,970.33