Finding the Third Proportional to 70,606 and 150,680

Step by Step Solution

1. Step 1: Write the proportion equation
   70,606 : 150,680 = 150,680 : x
2. Step 2: Convert to fraction form
   70,606/150,680 = 150,680/x
3. Step 3: Cross multiply
   70,606x = 150,680 × 150,680
4. Step 4: Simplify right side
   70,606x = 22,704,462,400
5. Step 5: Solve for x
   x = 22,704,462,400/70,606
6. Step 6: Final answer
   x = 321,565.62