Finding the Third Proportional to 5,720,404 and 8,405,502

Step by Step Solution

1. Step 1: Write the proportion equation
   5,720,404 : 8,405,502 = 8,405,502 : x
2. Step 2: Convert to fraction form
   5,720,404/8,405,502 = 8,405,502/x
3. Step 3: Cross multiply
   5,720,404x = 8,405,502 × 8,405,502
4. Step 4: Simplify right side
   5,720,404x = 70,652,463,872,004
5. Step 5: Solve for x
   x = 70,652,463,872,004/5,720,404
6. Step 6: Final answer
   x = 12,350,957.01