Finding the Third Proportional to 70,057.50 and 100,707

Step by Step Solution

1. Step 1: Write the proportion equation
   70,057.50 : 100,707 = 100,707 : x
2. Step 2: Convert to fraction form
   70,057.50/100,707 = 100,707/x
3. Step 3: Cross multiply
   70,057.50x = 100,707 × 100,707
4. Step 4: Simplify right side
   70,057.50x = 10,141,899,849
5. Step 5: Solve for x
   x = 10,141,899,849/70,057.50
6. Step 6: Final answer
   x = 144,765.37