Finding the Third Proportional to 31,943.53 and 70,311.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,943.53 : 70,311.38 = 70,311.38 : x
2. Step 2: Convert to fraction form
   31,943.53/70,311.38 = 70,311.38/x
3. Step 3: Cross multiply
   31,943.53x = 70,311.38 × 70,311.38
4. Step 4: Simplify right side
   31,943.53x = 4,943,689,454.39
5. Step 5: Solve for x
   x = 4,943,689,454.39/31,943.53
6. Step 6: Final answer
   x = 154,763.40