Finding the Third Proportional to 174,867 and 262,300

Step by Step Solution

1. Step 1: Write the proportion equation
   174,867 : 262,300 = 262,300 : x
2. Step 2: Convert to fraction form
   174,867/262,300 = 262,300/x
3. Step 3: Cross multiply
   174,867x = 262,300 × 262,300
4. Step 4: Simplify right side
   174,867x = 68,801,290,000
5. Step 5: Solve for x
   x = 68,801,290,000/174,867
6. Step 6: Final answer
   x = 393,449.25