Finding the Third Proportional to 31,325 and 45,300

Step by Step Solution

1. Step 1: Write the proportion equation
   31,325 : 45,300 = 45,300 : x
2. Step 2: Convert to fraction form
   31,325/45,300 = 45,300/x
3. Step 3: Cross multiply
   31,325x = 45,300 × 45,300
4. Step 4: Simplify right side
   31,325x = 2,052,090,000
5. Step 5: Solve for x
   x = 2,052,090,000/31,325
6. Step 6: Final answer
   x = 65,509.66