Finding the Third Proportional to 42,240 and 63,600

Step by Step Solution

1. Step 1: Write the proportion equation
   42,240 : 63,600 = 63,600 : x
2. Step 2: Convert to fraction form
   42,240/63,600 = 63,600/x
3. Step 3: Cross multiply
   42,240x = 63,600 × 63,600
4. Step 4: Simplify right side
   42,240x = 4,044,960,000
5. Step 5: Solve for x
   x = 4,044,960,000/42,240
6. Step 6: Final answer
   x = 95,761.36