Finding the Third Proportional to 329,665 and 705,986

Step by Step Solution

1. Step 1: Write the proportion equation
   329,665 : 705,986 = 705,986 : x
2. Step 2: Convert to fraction form
   329,665/705,986 = 705,986/x
3. Step 3: Cross multiply
   329,665x = 705,986 × 705,986
4. Step 4: Simplify right side
   329,665x = 498,416,232,196
5. Step 5: Solve for x
   x = 498,416,232,196/329,665
6. Step 6: Final answer
   x = 1,511,887.01