Finding the Third Proportional to 151,980 and 333,120

Step by Step Solution

1. Step 1: Write the proportion equation
   151,980 : 333,120 = 333,120 : x
2. Step 2: Convert to fraction form
   151,980/333,120 = 333,120/x
3. Step 3: Cross multiply
   151,980x = 333,120 × 333,120
4. Step 4: Simplify right side
   151,980x = 110,968,934,400
5. Step 5: Solve for x
   x = 110,968,934,400/151,980
6. Step 6: Final answer
   x = 730,154.85