Finding the Third Proportional to 68,407 and 150,300

Step by Step Solution

1. Step 1: Write the proportion equation
   68,407 : 150,300 = 150,300 : x
2. Step 2: Convert to fraction form
   68,407/150,300 = 150,300/x
3. Step 3: Cross multiply
   68,407x = 150,300 × 150,300
4. Step 4: Simplify right side
   68,407x = 22,590,090,000
5. Step 5: Solve for x
   x = 22,590,090,000/68,407
6. Step 6: Final answer
   x = 330,230.68