Finding the Third Proportional to 3,898,998 and 8,694,490

Step by Step Solution

1. Step 1: Write the proportion equation
   3,898,998 : 8,694,490 = 8,694,490 : x
2. Step 2: Convert to fraction form
   3,898,998/8,694,490 = 8,694,490/x
3. Step 3: Cross multiply
   3,898,998x = 8,694,490 × 8,694,490
4. Step 4: Simplify right side
   3,898,998x = 75,594,156,360,100
5. Step 5: Solve for x
   x = 75,594,156,360,100/3,898,998
6. Step 6: Final answer
   x = 19,388,098.27