Finding the Third Proportional to 151,153 and 329,521

Step by Step Solution

1. Step 1: Write the proportion equation
   151,153 : 329,521 = 329,521 : x
2. Step 2: Convert to fraction form
   151,153/329,521 = 329,521/x
3. Step 3: Cross multiply
   151,153x = 329,521 × 329,521
4. Step 4: Simplify right side
   151,153x = 108,584,089,441
5. Step 5: Solve for x
   x = 108,584,089,441/151,153
6. Step 6: Final answer
   x = 718,372.04