Finding the Third Proportional to 31,194 and 68,610

Step by Step Solution

1. Step 1: Write the proportion equation
   31,194 : 68,610 = 68,610 : x
2. Step 2: Convert to fraction form
   31,194/68,610 = 68,610/x
3. Step 3: Cross multiply
   31,194x = 68,610 × 68,610
4. Step 4: Simplify right side
   31,194x = 4,707,332,100
5. Step 5: Solve for x
   x = 4,707,332,100/31,194
6. Step 6: Final answer
   x = 150,905.05