Finding the Third Proportional to 31,800.38 and 46,728.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,800.38 : 46,728.56 = 46,728.56 : x
2. Step 2: Convert to fraction form
   31,800.38/46,728.56 = 46,728.56/x
3. Step 3: Cross multiply
   31,800.38x = 46,728.56 × 46,728.56
4. Step 4: Simplify right side
   31,800.38x = 2,183,558,553.32
5. Step 5: Solve for x
   x = 2,183,558,553.32/31,800.38
6. Step 6: Final answer
   x = 68,664.55