Finding the Third Proportional to 3,872,450 and 8,416,552

Step by Step Solution

1. Step 1: Write the proportion equation
   3,872,450 : 8,416,552 = 8,416,552 : x
2. Step 2: Convert to fraction form
   3,872,450/8,416,552 = 8,416,552/x
3. Step 3: Cross multiply
   3,872,450x = 8,416,552 × 8,416,552
4. Step 4: Simplify right side
   3,872,450x = 70,838,347,568,704
5. Step 5: Solve for x
   x = 70,838,347,568,704/3,872,450
6. Step 6: Final answer
   x = 18,292,901.80