Finding the Third Proportional to 178,258.50 and 267,426

Step by Step Solution

1. Step 1: Write the proportion equation
   178,258.50 : 267,426 = 267,426 : x
2. Step 2: Convert to fraction form
   178,258.50/267,426 = 267,426/x
3. Step 3: Cross multiply
   178,258.50x = 267,426 × 267,426
4. Step 4: Simplify right side
   178,258.50x = 71,516,665,476
5. Step 5: Solve for x
   x = 71,516,665,476/178,258.50
6. Step 6: Final answer
   x = 401,196.38