Finding the Third Proportional to 33,139.50 and 70,743

Step by Step Solution

1. Step 1: Write the proportion equation
   33,139.50 : 70,743 = 70,743 : x
2. Step 2: Convert to fraction form
   33,139.50/70,743 = 70,743/x
3. Step 3: Cross multiply
   33,139.50x = 70,743 × 70,743
4. Step 4: Simplify right side
   33,139.50x = 5,004,572,049
5. Step 5: Solve for x
   x = 5,004,572,049/33,139.50
6. Step 6: Final answer
   x = 151,015.32