Finding the Third Proportional to 442,327.50 and 667,146

Step by Step Solution

1. Step 1: Write the proportion equation
   442,327.50 : 667,146 = 667,146 : x
2. Step 2: Convert to fraction form
   442,327.50/667,146 = 667,146/x
3. Step 3: Cross multiply
   442,327.50x = 667,146 × 667,146
4. Step 4: Simplify right side
   442,327.50x = 445,083,785,316
5. Step 5: Solve for x
   x = 445,083,785,316/442,327.50
6. Step 6: Final answer
   x = 1,006,231.32