Finding the Third Proportional to 253,377 and 550,857.50

Step by Step Solution

1. Step 1: Write the proportion equation
   253,377 : 550,857.50 = 550,857.50 : x
2. Step 2: Convert to fraction form
   253,377/550,857.50 = 550,857.50/x
3. Step 3: Cross multiply
   253,377x = 550,857.50 × 550,857.50
4. Step 4: Simplify right side
   253,377x = 303,443,985,306.25
5. Step 5: Solve for x
   x = 303,443,985,306.25/253,377
6. Step 6: Final answer
   x = 1,197,598.78