Finding the Third Proportional to 190,441.50 and 409,944

Step by Step Solution

1. Step 1: Write the proportion equation
   190,441.50 : 409,944 = 409,944 : x
2. Step 2: Convert to fraction form
   190,441.50/409,944 = 409,944/x
3. Step 3: Cross multiply
   190,441.50x = 409,944 × 409,944
4. Step 4: Simplify right side
   190,441.50x = 168,054,083,136
5. Step 5: Solve for x
   x = 168,054,083,136/190,441.50
6. Step 6: Final answer
   x = 882,444.65