Finding the Third Proportional to 3,898,950 and 8,694,392

Step by Step Solution

1. Step 1: Write the proportion equation
   3,898,950 : 8,694,392 = 8,694,392 : x
2. Step 2: Convert to fraction form
   3,898,950/8,694,392 = 8,694,392/x
3. Step 3: Cross multiply
   3,898,950x = 8,694,392 × 8,694,392
4. Step 4: Simplify right side
   3,898,950x = 75,592,452,249,664
5. Step 5: Solve for x
   x = 75,592,452,249,664/3,898,950
6. Step 6: Final answer
   x = 19,387,899.88