Finding the Third Proportional to 263,651.50 and 564,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   263,651.50 : 564,667.50 = 564,667.50 : x
2. Step 2: Convert to fraction form
   263,651.50/564,667.50 = 564,667.50/x
3. Step 3: Cross multiply
   263,651.50x = 564,667.50 × 564,667.50
4. Step 4: Simplify right side
   263,651.50x = 318,849,385,556.25
5. Step 5: Solve for x
   x = 318,849,385,556.25/263,651.50
6. Step 6: Final answer
   x = 1,209,359.27