Finding the Third Proportional to 5,612,574 and 8,208,909

Step by Step Solution

1. Step 1: Write the proportion equation
   5,612,574 : 8,208,909 = 8,208,909 : x
2. Step 2: Convert to fraction form
   5,612,574/8,208,909 = 8,208,909/x
3. Step 3: Cross multiply
   5,612,574x = 8,208,909 × 8,208,909
4. Step 4: Simplify right side
   5,612,574x = 67,386,186,970,281
5. Step 5: Solve for x
   x = 67,386,186,970,281/5,612,574
6. Step 6: Final answer
   x = 12,006,289.27