Finding the Third Proportional to 13,699.13 and 27,424.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,699.13 : 27,424.83 = 27,424.83 : x
2. Step 2: Convert to fraction form
   13,699.13/27,424.83 = 27,424.83/x
3. Step 3: Cross multiply
   13,699.13x = 27,424.83 × 27,424.83
4. Step 4: Simplify right side
   13,699.13x = 752,121,197.69
5. Step 5: Solve for x
   x = 752,121,197.69/13,699.13
6. Step 6: Final answer
   x = 54,902.86