Finding the Third Proportional to 91,808.44 and 191,863.69

Step by Step Solution

1. Step 1: Write the proportion equation
   91,808.44 : 191,863.69 = 191,863.69 : x
2. Step 2: Convert to fraction form
   91,808.44/191,863.69 = 191,863.69/x
3. Step 3: Cross multiply
   91,808.44x = 191,863.69 × 191,863.69
4. Step 4: Simplify right side
   91,808.44x = 36,811,674,581.10
5. Step 5: Solve for x
   x = 36,811,674,581.10/91,808.44
6. Step 6: Final answer
   x = 400,961.78