Finding the Third Proportional to 69,872 and 150,810

Step by Step Solution

1. Step 1: Write the proportion equation
   69,872 : 150,810 = 150,810 : x
2. Step 2: Convert to fraction form
   69,872/150,810 = 150,810/x
3. Step 3: Cross multiply
   69,872x = 150,810 × 150,810
4. Step 4: Simplify right side
   69,872x = 22,743,656,100
5. Step 5: Solve for x
   x = 22,743,656,100/69,872
6. Step 6: Final answer
   x = 325,504.58