Finding the Third Proportional to 123,272.72 and 265,270.78

Step by Step Solution

1. Step 1: Write the proportion equation
   123,272.72 : 265,270.78 = 265,270.78 : x
2. Step 2: Convert to fraction form
   123,272.72/265,270.78 = 265,270.78/x
3. Step 3: Cross multiply
   123,272.72x = 265,270.78 × 265,270.78
4. Step 4: Simplify right side
   123,272.72x = 70,368,587,384.99
5. Step 5: Solve for x
   x = 70,368,587,384.99/123,272.72
6. Step 6: Final answer
   x = 570,836.66