Finding the Third Proportional to 42,286 and 56,959

Step by Step Solution

1. Step 1: Write the proportion equation
   42,286 : 56,959 = 56,959 : x
2. Step 2: Convert to fraction form
   42,286/56,959 = 56,959/x
3. Step 3: Cross multiply
   42,286x = 56,959 × 56,959
4. Step 4: Simplify right side
   42,286x = 3,244,327,681
5. Step 5: Solve for x
   x = 3,244,327,681/42,286
6. Step 6: Final answer
   x = 76,723.45