Finding the Third Proportional to 86,049.38 and 189,116.25

Step by Step Solution

1. Step 1: Write the proportion equation
   86,049.38 : 189,116.25 = 189,116.25 : x
2. Step 2: Convert to fraction form
   86,049.38/189,116.25 = 189,116.25/x
3. Step 3: Cross multiply
   86,049.38x = 189,116.25 × 189,116.25
4. Step 4: Simplify right side
   86,049.38x = 35,764,956,014.06
5. Step 5: Solve for x
   x = 35,764,956,014.06/86,049.38
6. Step 6: Final answer
   x = 415,632.96