Finding the Third Proportional to 112,405.50 and 235,203

Step by Step Solution

1. Step 1: Write the proportion equation
   112,405.50 : 235,203 = 235,203 : x
2. Step 2: Convert to fraction form
   112,405.50/235,203 = 235,203/x
3. Step 3: Cross multiply
   112,405.50x = 235,203 × 235,203
4. Step 4: Simplify right side
   112,405.50x = 55,320,451,209
5. Step 5: Solve for x
   x = 55,320,451,209/112,405.50
6. Step 6: Final answer
   x = 492,150.75