Finding the Third Proportional to 69,078 and 150,644

Step by Step Solution

1. Step 1: Write the proportion equation
   69,078 : 150,644 = 150,644 : x
2. Step 2: Convert to fraction form
   69,078/150,644 = 150,644/x
3. Step 3: Cross multiply
   69,078x = 150,644 × 150,644
4. Step 4: Simplify right side
   69,078x = 22,693,614,736
5. Step 5: Solve for x
   x = 22,693,614,736/69,078
6. Step 6: Final answer
   x = 328,521.59