Finding the Third Proportional to 65,236.50 and 125,289

Step by Step Solution

1. Step 1: Write the proportion equation
   65,236.50 : 125,289 = 125,289 : x
2. Step 2: Convert to fraction form
   65,236.50/125,289 = 125,289/x
3. Step 3: Cross multiply
   65,236.50x = 125,289 × 125,289
4. Step 4: Simplify right side
   65,236.50x = 15,697,333,521
5. Step 5: Solve for x
   x = 15,697,333,521/65,236.50
6. Step 6: Final answer
   x = 240,621.95