Finding the Third Proportional to 124,627.50 and 270,288

Step by Step Solution

1. Step 1: Write the proportion equation
   124,627.50 : 270,288 = 270,288 : x
2. Step 2: Convert to fraction form
   124,627.50/270,288 = 270,288/x
3. Step 3: Cross multiply
   124,627.50x = 270,288 × 270,288
4. Step 4: Simplify right side
   124,627.50x = 73,055,602,944
5. Step 5: Solve for x
   x = 73,055,602,944/124,627.50
6. Step 6: Final answer
   x = 586,191.67