Finding the Third Proportional to 14,195.57 and 19,905.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,195.57 : 19,905.12 = 19,905.12 : x
2. Step 2: Convert to fraction form
   14,195.57/19,905.12 = 19,905.12/x
3. Step 3: Cross multiply
   14,195.57x = 19,905.12 × 19,905.12
4. Step 4: Simplify right side
   14,195.57x = 396,213,690.25
5. Step 5: Solve for x
   x = 396,213,690.25/14,195.57
6. Step 6: Final answer
   x = 27,911.09