Finding the Third Proportional to 33,718 and 70,028

Step by Step Solution

1. Step 1: Write the proportion equation
   33,718 : 70,028 = 70,028 : x
2. Step 2: Convert to fraction form
   33,718/70,028 = 70,028/x
3. Step 3: Cross multiply
   33,718x = 70,028 × 70,028
4. Step 4: Simplify right side
   33,718x = 4,903,920,784
5. Step 5: Solve for x
   x = 4,903,920,784/33,718
6. Step 6: Final answer
   x = 145,439.25