Finding the Third Proportional to 31,167 and 68,167.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,167 : 68,167.50 = 68,167.50 : x
2. Step 2: Convert to fraction form
   31,167/68,167.50 = 68,167.50/x
3. Step 3: Cross multiply
   31,167x = 68,167.50 × 68,167.50
4. Step 4: Simplify right side
   31,167x = 4,646,808,056.25
5. Step 5: Solve for x
   x = 4,646,808,056.25/31,167
6. Step 6: Final answer
   x = 149,093.85