Finding the Third Proportional to 111,274 and 247,425.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,274 : 247,425.50 = 247,425.50 : x
2. Step 2: Convert to fraction form
   111,274/247,425.50 = 247,425.50/x
3. Step 3: Cross multiply
   111,274x = 247,425.50 × 247,425.50
4. Step 4: Simplify right side
   111,274x = 61,219,378,050.25
5. Step 5: Solve for x
   x = 61,219,378,050.25/111,274
6. Step 6: Final answer
   x = 550,167.86