Finding the Third Proportional to 69,870 and 150,806

Step by Step Solution

1. Step 1: Write the proportion equation
   69,870 : 150,806 = 150,806 : x
2. Step 2: Convert to fraction form
   69,870/150,806 = 150,806/x
3. Step 3: Cross multiply
   69,870x = 150,806 × 150,806
4. Step 4: Simplify right side
   69,870x = 22,742,449,636
5. Step 5: Solve for x
   x = 22,742,449,636/69,870
6. Step 6: Final answer
   x = 325,496.63