Finding the Third Proportional to 42,192 and 59,340

Step by Step Solution

1. Step 1: Write the proportion equation
   42,192 : 59,340 = 59,340 : x
2. Step 2: Convert to fraction form
   42,192/59,340 = 59,340/x
3. Step 3: Cross multiply
   42,192x = 59,340 × 59,340
4. Step 4: Simplify right side
   42,192x = 3,521,235,600
5. Step 5: Solve for x
   x = 3,521,235,600/42,192
6. Step 6: Final answer
   x = 83,457.42