Finding the Third Proportional to 334,372 and 518,324.50

Step by Step Solution

1. Step 1: Write the proportion equation
   334,372 : 518,324.50 = 518,324.50 : x
2. Step 2: Convert to fraction form
   334,372/518,324.50 = 518,324.50/x
3. Step 3: Cross multiply
   334,372x = 518,324.50 × 518,324.50
4. Step 4: Simplify right side
   334,372x = 268,660,287,300.25
5. Step 5: Solve for x
   x = 268,660,287,300.25/334,372
6. Step 6: Final answer
   x = 803,477.23