Finding the Third Proportional to 151,142 and 329,981

Step by Step Solution

1. Step 1: Write the proportion equation
   151,142 : 329,981 = 329,981 : x
2. Step 2: Convert to fraction form
   151,142/329,981 = 329,981/x
3. Step 3: Cross multiply
   151,142x = 329,981 × 329,981
4. Step 4: Simplify right side
   151,142x = 108,887,460,361
5. Step 5: Solve for x
   x = 108,887,460,361/151,142
6. Step 6: Final answer
   x = 720,431.52