Finding the Third Proportional to 42,120 and 60,192

Step by Step Solution

1. Step 1: Write the proportion equation
   42,120 : 60,192 = 60,192 : x
2. Step 2: Convert to fraction form
   42,120/60,192 = 60,192/x
3. Step 3: Cross multiply
   42,120x = 60,192 × 60,192
4. Step 4: Simplify right side
   42,120x = 3,623,076,864
5. Step 5: Solve for x
   x = 3,623,076,864/42,120
6. Step 6: Final answer
   x = 86,017.97