Finding the Third Proportional to 5,200,702 and 8,084,209

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200,702 : 8,084,209 = 8,084,209 : x
2. Step 2: Convert to fraction form
   5,200,702/8,084,209 = 8,084,209/x
3. Step 3: Cross multiply
   5,200,702x = 8,084,209 × 8,084,209
4. Step 4: Simplify right side
   5,200,702x = 65,354,435,155,681
5. Step 5: Solve for x
   x = 65,354,435,155,681/5,200,702
6. Step 6: Final answer
   x = 12,566,464.13