Finding the Third Proportional to 56,459 and 65,612

Step by Step Solution

1. Step 1: Write the proportion equation
   56,459 : 65,612 = 65,612 : x
2. Step 2: Convert to fraction form
   56,459/65,612 = 65,612/x
3. Step 3: Cross multiply
   56,459x = 65,612 × 65,612
4. Step 4: Simplify right side
   56,459x = 4,304,934,544
5. Step 5: Solve for x
   x = 4,304,934,544/56,459
6. Step 6: Final answer
   x = 76,248.86