Finding the Third Proportional to 112,807 and 240,626

Step by Step Solution

1. Step 1: Write the proportion equation
   112,807 : 240,626 = 240,626 : x
2. Step 2: Convert to fraction form
   112,807/240,626 = 240,626/x
3. Step 3: Cross multiply
   112,807x = 240,626 × 240,626
4. Step 4: Simplify right side
   112,807x = 57,900,871,876
5. Step 5: Solve for x
   x = 57,900,871,876/112,807
6. Step 6: Final answer
   x = 513,273.75