Finding the Third Proportional to 91,099.50 and 192,102

Step by Step Solution

1. Step 1: Write the proportion equation
   91,099.50 : 192,102 = 192,102 : x
2. Step 2: Convert to fraction form
   91,099.50/192,102 = 192,102/x
3. Step 3: Cross multiply
   91,099.50x = 192,102 × 192,102
4. Step 4: Simplify right side
   91,099.50x = 36,903,178,404
5. Step 5: Solve for x
   x = 36,903,178,404/91,099.50
6. Step 6: Final answer
   x = 405,086.51