Finding the Third Proportional to 155,959.50 and 251,166

Step by Step Solution

1. Step 1: Write the proportion equation
   155,959.50 : 251,166 = 251,166 : x
2. Step 2: Convert to fraction form
   155,959.50/251,166 = 251,166/x
3. Step 3: Cross multiply
   155,959.50x = 251,166 × 251,166
4. Step 4: Simplify right side
   155,959.50x = 63,084,359,556
5. Step 5: Solve for x
   x = 63,084,359,556/155,959.50
6. Step 6: Final answer
   x = 404,491.93