Finding the Third Proportional to 112,818 and 247,776.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,818 : 247,776.50 = 247,776.50 : x
2. Step 2: Convert to fraction form
   112,818/247,776.50 = 247,776.50/x
3. Step 3: Cross multiply
   112,818x = 247,776.50 × 247,776.50
4. Step 4: Simplify right side
   112,818x = 61,393,193,952.25
5. Step 5: Solve for x
   x = 61,393,193,952.25/112,818
6. Step 6: Final answer
   x = 544,179.07