Finding the Third Proportional to 112,456.50 and 245,380.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,456.50 : 245,380.50 = 245,380.50 : x
2. Step 2: Convert to fraction form
   112,456.50/245,380.50 = 245,380.50/x
3. Step 3: Cross multiply
   112,456.50x = 245,380.50 × 245,380.50
4. Step 4: Simplify right side
   112,456.50x = 60,211,589,780.25
5. Step 5: Solve for x
   x = 60,211,589,780.25/112,456.50
6. Step 6: Final answer
   x = 535,421.16