Finding the Third Proportional to 5,612,568 and 8,208,900

Step by Step Solution

1. Step 1: Write the proportion equation
   5,612,568 : 8,208,900 = 8,208,900 : x
2. Step 2: Convert to fraction form
   5,612,568/8,208,900 = 8,208,900/x
3. Step 3: Cross multiply
   5,612,568x = 8,208,900 × 8,208,900
4. Step 4: Simplify right side
   5,612,568x = 67,386,039,210,000
5. Step 5: Solve for x
   x = 67,386,039,210,000/5,612,568
6. Step 6: Final answer
   x = 12,006,275.77