Finding the Third Proportional to 15,331.78 and 34,144.03

Step by Step Solution

1. Step 1: Write the proportion equation
   15,331.78 : 34,144.03 = 34,144.03 : x
2. Step 2: Convert to fraction form
   15,331.78/34,144.03 = 34,144.03/x
3. Step 3: Cross multiply
   15,331.78x = 34,144.03 × 34,144.03
4. Step 4: Simplify right side
   15,331.78x = 1,165,814,870.00
5. Step 5: Solve for x
   x = 1,165,814,870.00/15,331.78
6. Step 6: Final answer
   x = 76,039.10