Finding the Third Proportional to 31,568.50 and 70,143.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,568.50 : 70,143.75 = 70,143.75 : x
2. Step 2: Convert to fraction form
   31,568.50/70,143.75 = 70,143.75/x
3. Step 3: Cross multiply
   31,568.50x = 70,143.75 × 70,143.75
4. Step 4: Simplify right side
   31,568.50x = 4,920,145,664.06
5. Step 5: Solve for x
   x = 4,920,145,664.06/31,568.50
6. Step 6: Final answer
   x = 155,856.18