Finding the Third Proportional to 4,019,382 and 8,736,876

Step by Step Solution

1. Step 1: Write the proportion equation
   4,019,382 : 8,736,876 = 8,736,876 : x
2. Step 2: Convert to fraction form
   4,019,382/8,736,876 = 8,736,876/x
3. Step 3: Cross multiply
   4,019,382x = 8,736,876 × 8,736,876
4. Step 4: Simplify right side
   4,019,382x = 76,333,002,239,376
5. Step 5: Solve for x
   x = 76,333,002,239,376/4,019,382
6. Step 6: Final answer
   x = 18,991,228.56