Finding the Third Proportional to 125,428.50 and 270,054

Step by Step Solution

1. Step 1: Write the proportion equation
   125,428.50 : 270,054 = 270,054 : x
2. Step 2: Convert to fraction form
   125,428.50/270,054 = 270,054/x
3. Step 3: Cross multiply
   125,428.50x = 270,054 × 270,054
4. Step 4: Simplify right side
   125,428.50x = 72,929,162,916
5. Step 5: Solve for x
   x = 72,929,162,916/125,428.50
6. Step 6: Final answer
   x = 581,440.13