Finding the Third Proportional to 253,820 and 550,084

Step by Step Solution

1. Step 1: Write the proportion equation
   253,820 : 550,084 = 550,084 : x
2. Step 2: Convert to fraction form
   253,820/550,084 = 550,084/x
3. Step 3: Cross multiply
   253,820x = 550,084 × 550,084
4. Step 4: Simplify right side
   253,820x = 302,592,407,056
5. Step 5: Solve for x
   x = 302,592,407,056/253,820
6. Step 6: Final answer
   x = 1,192,153.52