Finding the Third Proportional to 31,223.53 and 68,674.92

Step by Step Solution

1. Step 1: Write the proportion equation
   31,223.53 : 68,674.92 = 68,674.92 : x
2. Step 2: Convert to fraction form
   31,223.53/68,674.92 = 68,674.92/x
3. Step 3: Cross multiply
   31,223.53x = 68,674.92 × 68,674.92
4. Step 4: Simplify right side
   31,223.53x = 4,716,244,894.54
5. Step 5: Solve for x
   x = 4,716,244,894.54/31,223.53
6. Step 6: Final answer
   x = 151,047.77