Finding the Third Proportional to 3,925.13 and 7,389.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,925.13 : 7,389.56 = 7,389.56 : x
2. Step 2: Convert to fraction form
   3,925.13/7,389.56 = 7,389.56/x
3. Step 3: Cross multiply
   3,925.13x = 7,389.56 × 7,389.56
4. Step 4: Simplify right side
   3,925.13x = 54,605,633.94
5. Step 5: Solve for x
   x = 54,605,633.94/3,925.13
6. Step 6: Final answer
   x = 13,911.82