Finding the Third Proportional to 42,559 and 67,359

Step by Step Solution

1. Step 1: Write the proportion equation
   42,559 : 67,359 = 67,359 : x
2. Step 2: Convert to fraction form
   42,559/67,359 = 67,359/x
3. Step 3: Cross multiply
   42,559x = 67,359 × 67,359
4. Step 4: Simplify right side
   42,559x = 4,537,234,881
5. Step 5: Solve for x
   x = 4,537,234,881/42,559
6. Step 6: Final answer
   x = 106,610.47