Finding the Third Proportional to 253,498.50 and 550,791

Step by Step Solution

1. Step 1: Write the proportion equation
   253,498.50 : 550,791 = 550,791 : x
2. Step 2: Convert to fraction form
   253,498.50/550,791 = 550,791/x
3. Step 3: Cross multiply
   253,498.50x = 550,791 × 550,791
4. Step 4: Simplify right side
   253,498.50x = 303,370,725,681
5. Step 5: Solve for x
   x = 303,370,725,681/253,498.50
6. Step 6: Final answer
   x = 1,196,735.78