Finding the Third Proportional to 329,620.50 and 705,897

Step by Step Solution

1. Step 1: Write the proportion equation
   329,620.50 : 705,897 = 705,897 : x
2. Step 2: Convert to fraction form
   329,620.50/705,897 = 705,897/x
3. Step 3: Cross multiply
   329,620.50x = 705,897 × 705,897
4. Step 4: Simplify right side
   329,620.50x = 498,290,574,609
5. Step 5: Solve for x
   x = 498,290,574,609/329,620.50
6. Step 6: Final answer
   x = 1,511,709.90