Finding the Third Proportional to 20,778.75 and 31,160.06

Step by Step Solution

1. Step 1: Write the proportion equation
   20,778.75 : 31,160.06 = 31,160.06 : x
2. Step 2: Convert to fraction form
   20,778.75/31,160.06 = 31,160.06/x
3. Step 3: Cross multiply
   20,778.75x = 31,160.06 × 31,160.06
4. Step 4: Simplify right side
   20,778.75x = 970,949,495.00
5. Step 5: Solve for x
   x = 970,949,495.00/20,778.75
6. Step 6: Final answer
   x = 46,728.00