Finding the Third Proportional to 329,270 and 707,632

Step by Step Solution

1. Step 1: Write the proportion equation
   329,270 : 707,632 = 707,632 : x
2. Step 2: Convert to fraction form
   329,270/707,632 = 707,632/x
3. Step 3: Cross multiply
   329,270x = 707,632 × 707,632
4. Step 4: Simplify right side
   329,270x = 500,743,047,424
5. Step 5: Solve for x
   x = 500,743,047,424/329,270
6. Step 6: Final answer
   x = 1,520,767.30