Finding the Third Proportional to 329,174 and 708,300

Step by Step Solution

1. Step 1: Write the proportion equation
   329,174 : 708,300 = 708,300 : x
2. Step 2: Convert to fraction form
   329,174/708,300 = 708,300/x
3. Step 3: Cross multiply
   329,174x = 708,300 × 708,300
4. Step 4: Simplify right side
   329,174x = 501,688,890,000
5. Step 5: Solve for x
   x = 501,688,890,000/329,174
6. Step 6: Final answer
   x = 1,524,084.19