Finding the Third Proportional to 42,008 and 60,528

Step by Step Solution

1. Step 1: Write the proportion equation
   42,008 : 60,528 = 60,528 : x
2. Step 2: Convert to fraction form
   42,008/60,528 = 60,528/x
3. Step 3: Cross multiply
   42,008x = 60,528 × 60,528
4. Step 4: Simplify right side
   42,008x = 3,663,638,784
5. Step 5: Solve for x
   x = 3,663,638,784/42,008
6. Step 6: Final answer
   x = 87,212.88