Finding the Third Proportional to 10,057.92 and 14,699.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,057.92 : 14,699.60 = 14,699.60 : x
2. Step 2: Convert to fraction form
   10,057.92/14,699.60 = 14,699.60/x
3. Step 3: Cross multiply
   10,057.92x = 14,699.60 × 14,699.60
4. Step 4: Simplify right side
   10,057.92x = 216,078,286.10
5. Step 5: Solve for x
   x = 216,078,286.10/10,057.92
6. Step 6: Final answer
   x = 21,483.39