Finding the Third Proportional to 4,086,482 and 8,671,088

Step by Step Solution

1. Step 1: Write the proportion equation
   4,086,482 : 8,671,088 = 8,671,088 : x
2. Step 2: Convert to fraction form
   4,086,482/8,671,088 = 8,671,088/x
3. Step 3: Cross multiply
   4,086,482x = 8,671,088 × 8,671,088
4. Step 4: Simplify right side
   4,086,482x = 75,187,767,103,744
5. Step 5: Solve for x
   x = 75,187,767,103,744/4,086,482
6. Step 6: Final answer
   x = 18,399,143.10