Finding the Third Proportional to 267,588.56 and 557,320.50

Step by Step Solution

1. Step 1: Write the proportion equation
   267,588.56 : 557,320.50 = 557,320.50 : x
2. Step 2: Convert to fraction form
   267,588.56/557,320.50 = 557,320.50/x
3. Step 3: Cross multiply
   267,588.56x = 557,320.50 × 557,320.50
4. Step 4: Simplify right side
   267,588.56x = 310,606,139,720.25
5. Step 5: Solve for x
   x = 310,606,139,720.25/267,588.56
6. Step 6: Final answer
   x = 1,160,760.15