Finding the Third Proportional to 31,303 and 67,159

Step by Step Solution

1. Step 1: Write the proportion equation
   31,303 : 67,159 = 67,159 : x
2. Step 2: Convert to fraction form
   31,303/67,159 = 67,159/x
3. Step 3: Cross multiply
   31,303x = 67,159 × 67,159
4. Step 4: Simplify right side
   31,303x = 4,510,331,281
5. Step 5: Solve for x
   x = 4,510,331,281/31,303
6. Step 6: Final answer
   x = 144,086.23