Finding the Third Proportional to 171,908.50 and 373,399

Step by Step Solution

1. Step 1: Write the proportion equation
   171,908.50 : 373,399 = 373,399 : x
2. Step 2: Convert to fraction form
   171,908.50/373,399 = 373,399/x
3. Step 3: Cross multiply
   171,908.50x = 373,399 × 373,399
4. Step 4: Simplify right side
   171,908.50x = 139,426,813,201
5. Step 5: Solve for x
   x = 139,426,813,201/171,908.50
6. Step 6: Final answer
   x = 811,052.47