Finding the Third Proportional to 78,969 and 150,660

Step by Step Solution

1. Step 1: Write the proportion equation
   78,969 : 150,660 = 150,660 : x
2. Step 2: Convert to fraction form
   78,969/150,660 = 150,660/x
3. Step 3: Cross multiply
   78,969x = 150,660 × 150,660
4. Step 4: Simplify right side
   78,969x = 22,698,435,600
5. Step 5: Solve for x
   x = 22,698,435,600/78,969
6. Step 6: Final answer
   x = 287,434.76