Finding the Third Proportional to 267,648 and 400,584

Step by Step Solution

1. Step 1: Write the proportion equation
   267,648 : 400,584 = 400,584 : x
2. Step 2: Convert to fraction form
   267,648/400,584 = 400,584/x
3. Step 3: Cross multiply
   267,648x = 400,584 × 400,584
4. Step 4: Simplify right side
   267,648x = 160,467,541,056
5. Step 5: Solve for x
   x = 160,467,541,056/267,648
6. Step 6: Final answer
   x = 599,546.95