Finding the Third Proportional to 38,313 and 57,521

Step by Step Solution

1. Step 1: Write the proportion equation
   38,313 : 57,521 = 57,521 : x
2. Step 2: Convert to fraction form
   38,313/57,521 = 57,521/x
3. Step 3: Cross multiply
   38,313x = 57,521 × 57,521
4. Step 4: Simplify right side
   38,313x = 3,308,665,441
5. Step 5: Solve for x
   x = 3,308,665,441/38,313
6. Step 6: Final answer
   x = 86,358.82