Finding the Third Proportional to 253,368 and 550,543.50

Step by Step Solution

1. Step 1: Write the proportion equation
   253,368 : 550,543.50 = 550,543.50 : x
2. Step 2: Convert to fraction form
   253,368/550,543.50 = 550,543.50/x
3. Step 3: Cross multiply
   253,368x = 550,543.50 × 550,543.50
4. Step 4: Simplify right side
   253,368x = 303,098,145,392.25
5. Step 5: Solve for x
   x = 303,098,145,392.25/253,368
6. Step 6: Final answer
   x = 1,196,276.35