Finding the Third Proportional to 38,520 and 57,528

Step by Step Solution

1. Step 1: Write the proportion equation
   38,520 : 57,528 = 57,528 : x
2. Step 2: Convert to fraction form
   38,520/57,528 = 57,528/x
3. Step 3: Cross multiply
   38,520x = 57,528 × 57,528
4. Step 4: Simplify right side
   38,520x = 3,309,470,784
5. Step 5: Solve for x
   x = 3,309,470,784/38,520
6. Step 6: Final answer
   x = 85,915.65