Finding the Third Proportional to 13,912.13 and 28,309.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,912.13 : 28,309.88 = 28,309.88 : x
2. Step 2: Convert to fraction form
   13,912.13/28,309.88 = 28,309.88/x
3. Step 3: Cross multiply
   13,912.13x = 28,309.88 × 28,309.88
4. Step 4: Simplify right side
   13,912.13x = 801,449,022.52
5. Step 5: Solve for x
   x = 801,449,022.52/13,912.13
6. Step 6: Final answer
   x = 57,607.95