Finding the Third Proportional to 335,047.50 and 518,124

Step by Step Solution

1. Step 1: Write the proportion equation
   335,047.50 : 518,124 = 518,124 : x
2. Step 2: Convert to fraction form
   335,047.50/518,124 = 518,124/x
3. Step 3: Cross multiply
   335,047.50x = 518,124 × 518,124
4. Step 4: Simplify right side
   335,047.50x = 268,452,479,376
5. Step 5: Solve for x
   x = 268,452,479,376/335,047.50
6. Step 6: Final answer
   x = 801,237.08