Finding the Third Proportional to 223,931.25 and 492,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   223,931.25 : 492,142.50 = 492,142.50 : x
2. Step 2: Convert to fraction form
   223,931.25/492,142.50 = 492,142.50/x
3. Step 3: Cross multiply
   223,931.25x = 492,142.50 × 492,142.50
4. Step 4: Simplify right side
   223,931.25x = 242,204,240,306.25
5. Step 5: Solve for x
   x = 242,204,240,306.25/223,931.25
6. Step 6: Final answer
   x = 1,081,600.89