Finding the Third Proportional to 334,371 and 518,323.50

Step by Step Solution

1. Step 1: Write the proportion equation
   334,371 : 518,323.50 = 518,323.50 : x
2. Step 2: Convert to fraction form
   334,371/518,323.50 = 518,323.50/x
3. Step 3: Cross multiply
   334,371x = 518,323.50 × 518,323.50
4. Step 4: Simplify right side
   334,371x = 268,659,250,652.25
5. Step 5: Solve for x
   x = 268,659,250,652.25/334,371
6. Step 6: Final answer
   x = 803,476.53