Finding the Third Proportional to 250,123.50 and 547,681.50

Step by Step Solution

1. Step 1: Write the proportion equation
   250,123.50 : 547,681.50 = 547,681.50 : x
2. Step 2: Convert to fraction form
   250,123.50/547,681.50 = 547,681.50/x
3. Step 3: Cross multiply
   250,123.50x = 547,681.50 × 547,681.50
4. Step 4: Simplify right side
   250,123.50x = 299,955,025,442.25
5. Step 5: Solve for x
   x = 299,955,025,442.25/250,123.50
6. Step 6: Final answer
   x = 1,199,227.68