Finding the Third Proportional to 254,243 and 547,404

Step by Step Solution

1. Step 1: Write the proportion equation
   254,243 : 547,404 = 547,404 : x
2. Step 2: Convert to fraction form
   254,243/547,404 = 547,404/x
3. Step 3: Cross multiply
   254,243x = 547,404 × 547,404
4. Step 4: Simplify right side
   254,243x = 299,651,139,216
5. Step 5: Solve for x
   x = 299,651,139,216/254,243
6. Step 6: Final answer
   x = 1,178,601.34