Finding the Third Proportional to 13,437.56 and 15,908.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,437.56 : 15,908.06 = 15,908.06 : x
2. Step 2: Convert to fraction form
   13,437.56/15,908.06 = 15,908.06/x
3. Step 3: Cross multiply
   13,437.56x = 15,908.06 × 15,908.06
4. Step 4: Simplify right side
   13,437.56x = 253,066,452.50
5. Step 5: Solve for x
   x = 253,066,452.50/13,437.56
6. Step 6: Final answer
   x = 18,832.76