Finding the Third Proportional to 237,178.50 and 513,723

Step by Step Solution

1. Step 1: Write the proportion equation
   237,178.50 : 513,723 = 513,723 : x
2. Step 2: Convert to fraction form
   237,178.50/513,723 = 513,723/x
3. Step 3: Cross multiply
   237,178.50x = 513,723 × 513,723
4. Step 4: Simplify right side
   237,178.50x = 263,911,320,729
5. Step 5: Solve for x
   x = 263,911,320,729/237,178.50
6. Step 6: Final answer
   x = 1,112,711.82