Finding the Third Proportional to 329,445 and 498,319.50

Step by Step Solution

1. Step 1: Write the proportion equation
   329,445 : 498,319.50 = 498,319.50 : x
2. Step 2: Convert to fraction form
   329,445/498,319.50 = 498,319.50/x
3. Step 3: Cross multiply
   329,445x = 498,319.50 × 498,319.50
4. Step 4: Simplify right side
   329,445x = 248,322,324,080.25
5. Step 5: Solve for x
   x = 248,322,324,080.25/329,445
6. Step 6: Final answer
   x = 753,759.58