Finding the Third Proportional to 31,417.97 and 68,364.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,417.97 : 68,364.38 = 68,364.38 : x
2. Step 2: Convert to fraction form
   31,417.97/68,364.38 = 68,364.38/x
3. Step 3: Cross multiply
   31,417.97x = 68,364.38 × 68,364.38
4. Step 4: Simplify right side
   31,417.97x = 4,673,687,769.14
5. Step 5: Solve for x
   x = 4,673,687,769.14/31,417.97
6. Step 6: Final answer
   x = 148,758.43