Finding the Third Proportional to 65,242 and 125,300

Step by Step Solution

1. Step 1: Write the proportion equation
   65,242 : 125,300 = 125,300 : x
2. Step 2: Convert to fraction form
   65,242/125,300 = 125,300/x
3. Step 3: Cross multiply
   65,242x = 125,300 × 125,300
4. Step 4: Simplify right side
   65,242x = 15,700,090,000
5. Step 5: Solve for x
   x = 15,700,090,000/65,242
6. Step 6: Final answer
   x = 240,643.91