Finding the Third Proportional to 42,336 and 60,240

Step by Step Solution

1. Step 1: Write the proportion equation
   42,336 : 60,240 = 60,240 : x
2. Step 2: Convert to fraction form
   42,336/60,240 = 60,240/x
3. Step 3: Cross multiply
   42,336x = 60,240 × 60,240
4. Step 4: Simplify right side
   42,336x = 3,628,857,600
5. Step 5: Solve for x
   x = 3,628,857,600/42,336
6. Step 6: Final answer
   x = 85,715.65