Finding the Third Proportional to 3,958,952 and 8,477,776

Step by Step Solution

1. Step 1: Write the proportion equation
   3,958,952 : 8,477,776 = 8,477,776 : x
2. Step 2: Convert to fraction form
   3,958,952/8,477,776 = 8,477,776/x
3. Step 3: Cross multiply
   3,958,952x = 8,477,776 × 8,477,776
4. Step 4: Simplify right side
   3,958,952x = 71,872,685,906,176
5. Step 5: Solve for x
   x = 71,872,685,906,176/3,958,952
6. Step 6: Final answer
   x = 18,154,472.68