Finding the Third Proportional to 111,348 and 247,572

Step by Step Solution

1. Step 1: Write the proportion equation
   111,348 : 247,572 = 247,572 : x
2. Step 2: Convert to fraction form
   111,348/247,572 = 247,572/x
3. Step 3: Cross multiply
   111,348x = 247,572 × 247,572
4. Step 4: Simplify right side
   111,348x = 61,291,895,184
5. Step 5: Solve for x
   x = 61,291,895,184/111,348
6. Step 6: Final answer
   x = 550,453.49