Finding the Third Proportional to 240,408 and 514,167.75

Step by Step Solution

1. Step 1: Write the proportion equation
   240,408 : 514,167.75 = 514,167.75 : x
2. Step 2: Convert to fraction form
   240,408/514,167.75 = 514,167.75/x
3. Step 3: Cross multiply
   240,408x = 514,167.75 × 514,167.75
4. Step 4: Simplify right side
   240,408x = 264,368,475,140.06
5. Step 5: Solve for x
   x = 264,368,475,140.06/240,408
6. Step 6: Final answer
   x = 1,099,665.88