Finding the Third Proportional to 112,782 and 247,890

Step by Step Solution

1. Step 1: Write the proportion equation
   112,782 : 247,890 = 247,890 : x
2. Step 2: Convert to fraction form
   112,782/247,890 = 247,890/x
3. Step 3: Cross multiply
   112,782x = 247,890 × 247,890
4. Step 4: Simplify right side
   112,782x = 61,449,452,100
5. Step 5: Solve for x
   x = 61,449,452,100/112,782
6. Step 6: Final answer
   x = 544,851.59