Finding the Third Proportional to 13,896.56 and 15,719.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,896.56 : 15,719.06 = 15,719.06 : x
2. Step 2: Convert to fraction form
   13,896.56/15,719.06 = 15,719.06/x
3. Step 3: Cross multiply
   13,896.56x = 15,719.06 × 15,719.06
4. Step 4: Simplify right side
   13,896.56x = 247,088,925.88
5. Step 5: Solve for x
   x = 247,088,925.88/13,896.56
6. Step 6: Final answer
   x = 17,780.58