Finding the Third Proportional to 174,880.69 and 262,321.88

Step by Step Solution

1. Step 1: Write the proportion equation
   174,880.69 : 262,321.88 = 262,321.88 : x
2. Step 2: Convert to fraction form
   174,880.69/262,321.88 = 262,321.88/x
3. Step 3: Cross multiply
   174,880.69x = 262,321.88 × 262,321.88
4. Step 4: Simplify right side
   174,880.69x = 68,812,766,103.52
5. Step 5: Solve for x
   x = 68,812,766,103.52/174,880.69
6. Step 6: Final answer
   x = 393,484.08