Finding the Third Proportional to 262,299 and 470,617.50

Step by Step Solution

1. Step 1: Write the proportion equation
   262,299 : 470,617.50 = 470,617.50 : x
2. Step 2: Convert to fraction form
   262,299/470,617.50 = 470,617.50/x
3. Step 3: Cross multiply
   262,299x = 470,617.50 × 470,617.50
4. Step 4: Simplify right side
   262,299x = 221,480,831,306.25
5. Step 5: Solve for x
   x = 221,480,831,306.25/262,299
6. Step 6: Final answer
   x = 844,383.06