Finding the Third Proportional to 31,207 and 67,967

Step by Step Solution

1. Step 1: Write the proportion equation
   31,207 : 67,967 = 67,967 : x
2. Step 2: Convert to fraction form
   31,207/67,967 = 67,967/x
3. Step 3: Cross multiply
   31,207x = 67,967 × 67,967
4. Step 4: Simplify right side
   31,207x = 4,619,513,089
5. Step 5: Solve for x
   x = 4,619,513,089/31,207
6. Step 6: Final answer
   x = 148,028.11