Finding the Third Proportional to 124,515.75 and 275,196

Step by Step Solution

1. Step 1: Write the proportion equation
   124,515.75 : 275,196 = 275,196 : x
2. Step 2: Convert to fraction form
   124,515.75/275,196 = 275,196/x
3. Step 3: Cross multiply
   124,515.75x = 275,196 × 275,196
4. Step 4: Simplify right side
   124,515.75x = 75,732,838,416
5. Step 5: Solve for x
   x = 75,732,838,416/124,515.75
6. Step 6: Final answer
   x = 608,218.95