Finding the Third Proportional to 126,343.50 and 274,959

Step by Step Solution

1. Step 1: Write the proportion equation
   126,343.50 : 274,959 = 274,959 : x
2. Step 2: Convert to fraction form
   126,343.50/274,959 = 274,959/x
3. Step 3: Cross multiply
   126,343.50x = 274,959 × 274,959
4. Step 4: Simplify right side
   126,343.50x = 75,602,451,681
5. Step 5: Solve for x
   x = 75,602,451,681/126,343.50
6. Step 6: Final answer
   x = 598,388.14