Finding the Third Proportional to 151,144 and 329,918.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,144 : 329,918.50 = 329,918.50 : x
2. Step 2: Convert to fraction form
   151,144/329,918.50 = 329,918.50/x
3. Step 3: Cross multiply
   151,144x = 329,918.50 × 329,918.50
4. Step 4: Simplify right side
   151,144x = 108,846,216,642.25
5. Step 5: Solve for x
   x = 108,846,216,642.25/151,144
6. Step 6: Final answer
   x = 720,149.11