Finding the Third Proportional to 4,039,468.50 and 8,851,478.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,039,468.50 : 8,851,478.50 = 8,851,478.50 : x
2. Step 2: Convert to fraction form
   4,039,468.50/8,851,478.50 = 8,851,478.50/x
3. Step 3: Cross multiply
   4,039,468.50x = 8,851,478.50 × 8,851,478.50
4. Step 4: Simplify right side
   4,039,468.50x = 78,348,671,635,962.25
5. Step 5: Solve for x
   x = 78,348,671,635,962.25/4,039,468.50
6. Step 6: Final answer
   x = 19,395,787.25