Finding the Third Proportional to 171,184 and 267,139

Step by Step Solution

1. Step 1: Write the proportion equation
   171,184 : 267,139 = 267,139 : x
2. Step 2: Convert to fraction form
   171,184/267,139 = 267,139/x
3. Step 3: Cross multiply
   171,184x = 267,139 × 267,139
4. Step 4: Simplify right side
   171,184x = 71,363,245,321
5. Step 5: Solve for x
   x = 71,363,245,321/171,184
6. Step 6: Final answer
   x = 416,880.35