Finding the Third Proportional to 4,010,874 and 8,661,126

Step by Step Solution

1. Step 1: Write the proportion equation
   4,010,874 : 8,661,126 = 8,661,126 : x
2. Step 2: Convert to fraction form
   4,010,874/8,661,126 = 8,661,126/x
3. Step 3: Cross multiply
   4,010,874x = 8,661,126 × 8,661,126
4. Step 4: Simplify right side
   4,010,874x = 75,015,103,587,876
5. Step 5: Solve for x
   x = 75,015,103,587,876/4,010,874
6. Step 6: Final answer
   x = 18,702,931.98