Finding the Third Proportional to 326,017.50 and 498,714

Step by Step Solution

1. Step 1: Write the proportion equation
   326,017.50 : 498,714 = 498,714 : x
2. Step 2: Convert to fraction form
   326,017.50/498,714 = 498,714/x
3. Step 3: Cross multiply
   326,017.50x = 498,714 × 498,714
4. Step 4: Simplify right side
   326,017.50x = 248,715,653,796
5. Step 5: Solve for x
   x = 248,715,653,796/326,017.50
6. Step 6: Final answer
   x = 762,890.50