Finding the Third Proportional to 112,393.50 and 240,778.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,393.50 : 240,778.50 = 240,778.50 : x
2. Step 2: Convert to fraction form
   112,393.50/240,778.50 = 240,778.50/x
3. Step 3: Cross multiply
   112,393.50x = 240,778.50 × 240,778.50
4. Step 4: Simplify right side
   112,393.50x = 57,974,286,062.25
5. Step 5: Solve for x
   x = 57,974,286,062.25/112,393.50
6. Step 6: Final answer
   x = 515,815.29