Finding the Third Proportional to 267,384 and 401,128.50

Step by Step Solution

1. Step 1: Write the proportion equation
   267,384 : 401,128.50 = 401,128.50 : x
2. Step 2: Convert to fraction form
   267,384/401,128.50 = 401,128.50/x
3. Step 3: Cross multiply
   267,384x = 401,128.50 × 401,128.50
4. Step 4: Simplify right side
   267,384x = 160,904,073,512.25
5. Step 5: Solve for x
   x = 160,904,073,512.25/267,384
6. Step 6: Final answer
   x = 601,771.51