Finding the Third Proportional to 91,903.50 and 193,155

Step by Step Solution

1. Step 1: Write the proportion equation
   91,903.50 : 193,155 = 193,155 : x
2. Step 2: Convert to fraction form
   91,903.50/193,155 = 193,155/x
3. Step 3: Cross multiply
   91,903.50x = 193,155 × 193,155
4. Step 4: Simplify right side
   91,903.50x = 37,308,854,025
5. Step 5: Solve for x
   x = 37,308,854,025/91,903.50
6. Step 6: Final answer
   x = 405,956.84