Finding the Third Proportional to 5,612,572 and 8,208,906

Step by Step Solution

1. Step 1: Write the proportion equation
   5,612,572 : 8,208,906 = 8,208,906 : x
2. Step 2: Convert to fraction form
   5,612,572/8,208,906 = 8,208,906/x
3. Step 3: Cross multiply
   5,612,572x = 8,208,906 × 8,208,906
4. Step 4: Simplify right side
   5,612,572x = 67,386,137,716,836
5. Step 5: Solve for x
   x = 67,386,137,716,836/5,612,572
6. Step 6: Final answer
   x = 12,006,284.77