Finding the Third Proportional to 37,218 and 50,540

Step by Step Solution

1. Step 1: Write the proportion equation
   37,218 : 50,540 = 50,540 : x
2. Step 2: Convert to fraction form
   37,218/50,540 = 50,540/x
3. Step 3: Cross multiply
   37,218x = 50,540 × 50,540
4. Step 4: Simplify right side
   37,218x = 2,554,291,600
5. Step 5: Solve for x
   x = 2,554,291,600/37,218
6. Step 6: Final answer
   x = 68,630.54