Finding the Third Proportional to 12,887.86 and 19,365.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,887.86 : 19,365.96 = 19,365.96 : x
2. Step 2: Convert to fraction form
   12,887.86/19,365.96 = 19,365.96/x
3. Step 3: Cross multiply
   12,887.86x = 19,365.96 × 19,365.96
4. Step 4: Simplify right side
   12,887.86x = 375,040,443.03
5. Step 5: Solve for x
   x = 375,040,443.03/12,887.86
6. Step 6: Final answer
   x = 29,100.29