Finding the Third Proportional to 88,728 and 193,846.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,728 : 193,846.50 = 193,846.50 : x
2. Step 2: Convert to fraction form
   88,728/193,846.50 = 193,846.50/x
3. Step 3: Cross multiply
   88,728x = 193,846.50 × 193,846.50
4. Step 4: Simplify right side
   88,728x = 37,576,465,562.25
5. Step 5: Solve for x
   x = 37,576,465,562.25/88,728
6. Step 6: Final answer
   x = 423,501.78