Finding the Third Proportional to 38,998.13 and 57,921.75

Step by Step Solution

1. Step 1: Write the proportion equation
   38,998.13 : 57,921.75 = 57,921.75 : x
2. Step 2: Convert to fraction form
   38,998.13/57,921.75 = 57,921.75/x
3. Step 3: Cross multiply
   38,998.13x = 57,921.75 × 57,921.75
4. Step 4: Simplify right side
   38,998.13x = 3,354,929,123.06
5. Step 5: Solve for x
   x = 3,354,929,123.06/38,998.13
6. Step 6: Final answer
   x = 86,027.96