Finding the Third Proportional to 4,039,469 and 8,851,479

Step by Step Solution

1. Step 1: Write the proportion equation
   4,039,469 : 8,851,479 = 8,851,479 : x
2. Step 2: Convert to fraction form
   4,039,469/8,851,479 = 8,851,479/x
3. Step 3: Cross multiply
   4,039,469x = 8,851,479 × 8,851,479
4. Step 4: Simplify right side
   4,039,469x = 78,348,680,487,441
5. Step 5: Solve for x
   x = 78,348,680,487,441/4,039,469
6. Step 6: Final answer
   x = 19,395,787.04