Finding the Third Proportional to 31,803 and 69,073

Step by Step Solution

1. Step 1: Write the proportion equation
   31,803 : 69,073 = 69,073 : x
2. Step 2: Convert to fraction form
   31,803/69,073 = 69,073/x
3. Step 3: Cross multiply
   31,803x = 69,073 × 69,073
4. Step 4: Simplify right side
   31,803x = 4,771,079,329
5. Step 5: Solve for x
   x = 4,771,079,329/31,803
6. Step 6: Final answer
   x = 150,019.79