Finding the Third Proportional to 5,423,767 and 8,205,634

Step by Step Solution

1. Step 1: Write the proportion equation
   5,423,767 : 8,205,634 = 8,205,634 : x
2. Step 2: Convert to fraction form
   5,423,767/8,205,634 = 8,205,634/x
3. Step 3: Cross multiply
   5,423,767x = 8,205,634 × 8,205,634
4. Step 4: Simplify right side
   5,423,767x = 67,332,429,341,956
5. Step 5: Solve for x
   x = 67,332,429,341,956/5,423,767
6. Step 6: Final answer
   x = 12,414,329.26