Finding the Third Proportional to 124,521.75 and 275,208

Step by Step Solution

1. Step 1: Write the proportion equation
   124,521.75 : 275,208 = 275,208 : x
2. Step 2: Convert to fraction form
   124,521.75/275,208 = 275,208/x
3. Step 3: Cross multiply
   124,521.75x = 275,208 × 275,208
4. Step 4: Simplify right side
   124,521.75x = 75,739,443,264
5. Step 5: Solve for x
   x = 75,739,443,264/124,521.75
6. Step 6: Final answer
   x = 608,242.68