Finding the Third Proportional to 124,672.50 and 270,243

Step by Step Solution

1. Step 1: Write the proportion equation
   124,672.50 : 270,243 = 270,243 : x
2. Step 2: Convert to fraction form
   124,672.50/270,243 = 270,243/x
3. Step 3: Cross multiply
   124,672.50x = 270,243 × 270,243
4. Step 4: Simplify right side
   124,672.50x = 73,031,279,049
5. Step 5: Solve for x
   x = 73,031,279,049/124,672.50
6. Step 6: Final answer
   x = 585,784.99