Finding the Third Proportional to 38,553.35 and 57,509.13

Step by Step Solution

1. Step 1: Write the proportion equation
   38,553.35 : 57,509.13 = 57,509.13 : x
2. Step 2: Convert to fraction form
   38,553.35/57,509.13 = 57,509.13/x
3. Step 3: Cross multiply
   38,553.35x = 57,509.13 × 57,509.13
4. Step 4: Simplify right side
   38,553.35x = 3,307,300,019.88
5. Step 5: Solve for x
   x = 3,307,300,019.88/38,553.35
6. Step 6: Final answer
   x = 85,785.02