Finding the Third Proportional to 42,366 and 56,484

Step by Step Solution

1. Step 1: Write the proportion equation
   42,366 : 56,484 = 56,484 : x
2. Step 2: Convert to fraction form
   42,366/56,484 = 56,484/x
3. Step 3: Cross multiply
   42,366x = 56,484 × 56,484
4. Step 4: Simplify right side
   42,366x = 3,190,442,256
5. Step 5: Solve for x
   x = 3,190,442,256/42,366
6. Step 6: Final answer
   x = 75,306.67