Finding the Third Proportional to 185,220 and 404,338.50

Step by Step Solution

1. Step 1: Write the proportion equation
   185,220 : 404,338.50 = 404,338.50 : x
2. Step 2: Convert to fraction form
   185,220/404,338.50 = 404,338.50/x
3. Step 3: Cross multiply
   185,220x = 404,338.50 × 404,338.50
4. Step 4: Simplify right side
   185,220x = 163,489,622,582.25
5. Step 5: Solve for x
   x = 163,489,622,582.25/185,220
6. Step 6: Final answer
   x = 882,678.02