Finding the Third Proportional to 151,178 and 329,986

Step by Step Solution

1. Step 1: Write the proportion equation
   151,178 : 329,986 = 329,986 : x
2. Step 2: Convert to fraction form
   151,178/329,986 = 329,986/x
3. Step 3: Cross multiply
   151,178x = 329,986 × 329,986
4. Step 4: Simplify right side
   151,178x = 108,890,760,196
5. Step 5: Solve for x
   x = 108,890,760,196/151,178
6. Step 6: Final answer
   x = 720,281.79