Finding the Third Proportional to 18,152.38 and 39,320.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,152.38 : 39,320.50 = 39,320.50 : x
2. Step 2: Convert to fraction form
   18,152.38/39,320.50 = 39,320.50/x
3. Step 3: Cross multiply
   18,152.38x = 39,320.50 × 39,320.50
4. Step 4: Simplify right side
   18,152.38x = 1,546,101,720.25
5. Step 5: Solve for x
   x = 1,546,101,720.25/18,152.38
6. Step 6: Final answer
   x = 85,173.52