Finding the Third Proportional to 181,123 and 393,364.50

Step by Step Solution

1. Step 1: Write the proportion equation
   181,123 : 393,364.50 = 393,364.50 : x
2. Step 2: Convert to fraction form
   181,123/393,364.50 = 393,364.50/x
3. Step 3: Cross multiply
   181,123x = 393,364.50 × 393,364.50
4. Step 4: Simplify right side
   181,123x = 154,735,629,860.25
5. Step 5: Solve for x
   x = 154,735,629,860.25/181,123
6. Step 6: Final answer
   x = 854,312.43