Finding the Third Proportional to 183,238.50 and 394,179

Step by Step Solution

1. Step 1: Write the proportion equation
   183,238.50 : 394,179 = 394,179 : x
2. Step 2: Convert to fraction form
   183,238.50/394,179 = 394,179/x
3. Step 3: Cross multiply
   183,238.50x = 394,179 × 394,179
4. Step 4: Simplify right side
   183,238.50x = 155,377,084,041
5. Step 5: Solve for x
   x = 155,377,084,041/183,238.50
6. Step 6: Final answer
   x = 847,949.99