Finding the Third Proportional to 38,728.13 and 57,029.06

Step by Step Solution

1. Step 1: Write the proportion equation
   38,728.13 : 57,029.06 = 57,029.06 : x
2. Step 2: Convert to fraction form
   38,728.13/57,029.06 = 57,029.06/x
3. Step 3: Cross multiply
   38,728.13x = 57,029.06 × 57,029.06
4. Step 4: Simplify right side
   38,728.13x = 3,252,313,969.63
5. Step 5: Solve for x
   x = 3,252,313,969.63/38,728.13
6. Step 6: Final answer
   x = 83,978.09