Finding the Third Proportional to 42,144 and 59,336

Step by Step Solution

1. Step 1: Write the proportion equation
   42,144 : 59,336 = 59,336 : x
2. Step 2: Convert to fraction form
   42,144/59,336 = 59,336/x
3. Step 3: Cross multiply
   42,144x = 59,336 × 59,336
4. Step 4: Simplify right side
   42,144x = 3,520,760,896
5. Step 5: Solve for x
   x = 3,520,760,896/42,144
6. Step 6: Final answer
   x = 83,541.21