Finding the Third Proportional to 151,809 and 329,868

Step by Step Solution

1. Step 1: Write the proportion equation
   151,809 : 329,868 = 329,868 : x
2. Step 2: Convert to fraction form
   151,809/329,868 = 329,868/x
3. Step 3: Cross multiply
   151,809x = 329,868 × 329,868
4. Step 4: Simplify right side
   151,809x = 108,812,897,424
5. Step 5: Solve for x
   x = 108,812,897,424/151,809
6. Step 6: Final answer
   x = 716,775.01