Finding the Third Proportional to 151,196 and 331,120

Step by Step Solution

1. Step 1: Write the proportion equation
   151,196 : 331,120 = 331,120 : x
2. Step 2: Convert to fraction form
   151,196/331,120 = 331,120/x
3. Step 3: Cross multiply
   151,196x = 331,120 × 331,120
4. Step 4: Simplify right side
   151,196x = 109,640,454,400
5. Step 5: Solve for x
   x = 109,640,454,400/151,196
6. Step 6: Final answer
   x = 725,154.46