Finding the Third Proportional to 111,282 and 235,807.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,282 : 235,807.50 = 235,807.50 : x
2. Step 2: Convert to fraction form
   111,282/235,807.50 = 235,807.50/x
3. Step 3: Cross multiply
   111,282x = 235,807.50 × 235,807.50
4. Step 4: Simplify right side
   111,282x = 55,605,177,056.25
5. Step 5: Solve for x
   x = 55,605,177,056.25/111,282
6. Step 6: Final answer
   x = 499,678.09