Finding the Third Proportional to 42,226 and 56,847

Step by Step Solution

1. Step 1: Write the proportion equation
   42,226 : 56,847 = 56,847 : x
2. Step 2: Convert to fraction form
   42,226/56,847 = 56,847/x
3. Step 3: Cross multiply
   42,226x = 56,847 × 56,847
4. Step 4: Simplify right side
   42,226x = 3,231,581,409
5. Step 5: Solve for x
   x = 3,231,581,409/42,226
6. Step 6: Final answer
   x = 76,530.61