Finding the Third Proportional to 18,352.50 and 39,985.13

Step by Step Solution

1. Step 1: Write the proportion equation
   18,352.50 : 39,985.13 = 39,985.13 : x
2. Step 2: Convert to fraction form
   18,352.50/39,985.13 = 39,985.13/x
3. Step 3: Cross multiply
   18,352.50x = 39,985.13 × 39,985.13
4. Step 4: Simplify right side
   18,352.50x = 1,598,810,221.27
5. Step 5: Solve for x
   x = 1,598,810,221.27/18,352.50
6. Step 6: Final answer
   x = 87,116.75