Finding the Third Proportional to 31,320 and 48,528

Step by Step Solution

1. Step 1: Write the proportion equation
   31,320 : 48,528 = 48,528 : x
2. Step 2: Convert to fraction form
   31,320/48,528 = 48,528/x
3. Step 3: Cross multiply
   31,320x = 48,528 × 48,528
4. Step 4: Simplify right side
   31,320x = 2,354,966,784
5. Step 5: Solve for x
   x = 2,354,966,784/31,320
6. Step 6: Final answer
   x = 75,190.51