Finding the Third Proportional to 249,060 and 540,456

Step by Step Solution

1. Step 1: Write the proportion equation
   249,060 : 540,456 = 540,456 : x
2. Step 2: Convert to fraction form
   249,060/540,456 = 540,456/x
3. Step 3: Cross multiply
   249,060x = 540,456 × 540,456
4. Step 4: Simplify right side
   249,060x = 292,092,687,936
5. Step 5: Solve for x
   x = 292,092,687,936/249,060
6. Step 6: Final answer
   x = 1,172,780.41