Finding the Third Proportional to 151,146 and 329,508

Step by Step Solution

1. Step 1: Write the proportion equation
   151,146 : 329,508 = 329,508 : x
2. Step 2: Convert to fraction form
   151,146/329,508 = 329,508/x
3. Step 3: Cross multiply
   151,146x = 329,508 × 329,508
4. Step 4: Simplify right side
   151,146x = 108,575,522,064
5. Step 5: Solve for x
   x = 108,575,522,064/151,146
6. Step 6: Final answer
   x = 718,348.63