Finding the Third Proportional to 4,039,459 and 8,851,460

Step by Step Solution

1. Step 1: Write the proportion equation
   4,039,459 : 8,851,460 = 8,851,460 : x
2. Step 2: Convert to fraction form
   4,039,459/8,851,460 = 8,851,460/x
3. Step 3: Cross multiply
   4,039,459x = 8,851,460 × 8,851,460
4. Step 4: Simplify right side
   4,039,459x = 78,348,344,131,600
5. Step 5: Solve for x
   x = 78,348,344,131,600/4,039,459
6. Step 6: Final answer
   x = 19,395,751.79