Finding the Third Proportional to 38,140.88 and 57,489.75

Step by Step Solution

1. Step 1: Write the proportion equation
   38,140.88 : 57,489.75 = 57,489.75 : x
2. Step 2: Convert to fraction form
   38,140.88/57,489.75 = 57,489.75/x
3. Step 3: Cross multiply
   38,140.88x = 57,489.75 × 57,489.75
4. Step 4: Simplify right side
   38,140.88x = 3,305,071,355.06
5. Step 5: Solve for x
   x = 3,305,071,355.06/38,140.88
6. Step 6: Final answer
   x = 86,654.31