Finding the Third Proportional to 334,374 and 518,327.50

Step by Step Solution

1. Step 1: Write the proportion equation
   334,374 : 518,327.50 = 518,327.50 : x
2. Step 2: Convert to fraction form
   334,374/518,327.50 = 518,327.50/x
3. Step 3: Cross multiply
   334,374x = 518,327.50 × 518,327.50
4. Step 4: Simplify right side
   334,374x = 268,663,397,256.25
5. Step 5: Solve for x
   x = 268,663,397,256.25/334,374
6. Step 6: Final answer
   x = 803,481.72