Finding the Third Proportional to 151,290 and 329,193.75

Step by Step Solution

1. Step 1: Write the proportion equation
   151,290 : 329,193.75 = 329,193.75 : x
2. Step 2: Convert to fraction form
   151,290/329,193.75 = 329,193.75/x
3. Step 3: Cross multiply
   151,290x = 329,193.75 × 329,193.75
4. Step 4: Simplify right side
   151,290x = 108,368,525,039.06
5. Step 5: Solve for x
   x = 108,368,525,039.06/151,290
6. Step 6: Final answer
   x = 716,296.68