Finding the Third Proportional to 42,228 and 59,385

Step by Step Solution

1. Step 1: Write the proportion equation
   42,228 : 59,385 = 59,385 : x
2. Step 2: Convert to fraction form
   42,228/59,385 = 59,385/x
3. Step 3: Cross multiply
   42,228x = 59,385 × 59,385
4. Step 4: Simplify right side
   42,228x = 3,526,578,225
5. Step 5: Solve for x
   x = 3,526,578,225/42,228
6. Step 6: Final answer
   x = 83,512.79