Finding the Third Proportional to 251,350.50 and 538,680

Step by Step Solution

1. Step 1: Write the proportion equation
   251,350.50 : 538,680 = 538,680 : x
2. Step 2: Convert to fraction form
   251,350.50/538,680 = 538,680/x
3. Step 3: Cross multiply
   251,350.50x = 538,680 × 538,680
4. Step 4: Simplify right side
   251,350.50x = 290,176,142,400
5. Step 5: Solve for x
   x = 290,176,142,400/251,350.50
6. Step 6: Final answer
   x = 1,154,468.13