Finding the Third Proportional to 267,018 and 400,579.50

Step by Step Solution

1. Step 1: Write the proportion equation
   267,018 : 400,579.50 = 400,579.50 : x
2. Step 2: Convert to fraction form
   267,018/400,579.50 = 400,579.50/x
3. Step 3: Cross multiply
   267,018x = 400,579.50 × 400,579.50
4. Step 4: Simplify right side
   267,018x = 160,463,935,820.25
5. Step 5: Solve for x
   x = 160,463,935,820.25/267,018
6. Step 6: Final answer
   x = 600,948.01