Finding the Third Proportional to 249,904.50 and 548,442

Step by Step Solution

1. Step 1: Write the proportion equation
   249,904.50 : 548,442 = 548,442 : x
2. Step 2: Convert to fraction form
   249,904.50/548,442 = 548,442/x
3. Step 3: Cross multiply
   249,904.50x = 548,442 × 548,442
4. Step 4: Simplify right side
   249,904.50x = 300,788,627,364
5. Step 5: Solve for x
   x = 300,788,627,364/249,904.50
6. Step 6: Final answer
   x = 1,203,614.29