Finding the Third Proportional to 329,662 and 705,980

Step by Step Solution

1. Step 1: Write the proportion equation
   329,662 : 705,980 = 705,980 : x
2. Step 2: Convert to fraction form
   329,662/705,980 = 705,980/x
3. Step 3: Cross multiply
   329,662x = 705,980 × 705,980
4. Step 4: Simplify right side
   329,662x = 498,407,760,400
5. Step 5: Solve for x
   x = 498,407,760,400/329,662
6. Step 6: Final answer
   x = 1,511,875.07