Finding the Third Proportional to 269,432 and 404,146

Step by Step Solution

1. Step 1: Write the proportion equation
   269,432 : 404,146 = 404,146 : x
2. Step 2: Convert to fraction form
   269,432/404,146 = 404,146/x
3. Step 3: Cross multiply
   269,432x = 404,146 × 404,146
4. Step 4: Simplify right side
   269,432x = 163,333,989,316
5. Step 5: Solve for x
   x = 163,333,989,316/269,432
6. Step 6: Final answer
   x = 606,216.00