Finding the Third Proportional to 42,288 and 56,962

Step by Step Solution

1. Step 1: Write the proportion equation
   42,288 : 56,962 = 56,962 : x
2. Step 2: Convert to fraction form
   42,288/56,962 = 56,962/x
3. Step 3: Cross multiply
   42,288x = 56,962 × 56,962
4. Step 4: Simplify right side
   42,288x = 3,244,669,444
5. Step 5: Solve for x
   x = 3,244,669,444/42,288
6. Step 6: Final answer
   x = 76,727.90