Finding the Third Proportional to 38,398.50 and 57,300

Step by Step Solution

1. Step 1: Write the proportion equation
   38,398.50 : 57,300 = 57,300 : x
2. Step 2: Convert to fraction form
   38,398.50/57,300 = 57,300/x
3. Step 3: Cross multiply
   38,398.50x = 57,300 × 57,300
4. Step 4: Simplify right side
   38,398.50x = 3,283,290,000
5. Step 5: Solve for x
   x = 3,283,290,000/38,398.50
6. Step 6: Final answer
   x = 85,505.68