Finding the Third Proportional to 262,311.75 and 470,637

Step by Step Solution

1. Step 1: Write the proportion equation
   262,311.75 : 470,637 = 470,637 : x
2. Step 2: Convert to fraction form
   262,311.75/470,637 = 470,637/x
3. Step 3: Cross multiply
   262,311.75x = 470,637 × 470,637
4. Step 4: Simplify right side
   262,311.75x = 221,499,185,769
5. Step 5: Solve for x
   x = 221,499,185,769/262,311.75
6. Step 6: Final answer
   x = 844,411.99