Finding the Third Proportional to 221,526 and 485,944

Step by Step Solution

1. Step 1: Write the proportion equation
   221,526 : 485,944 = 485,944 : x
2. Step 2: Convert to fraction form
   221,526/485,944 = 485,944/x
3. Step 3: Cross multiply
   221,526x = 485,944 × 485,944
4. Step 4: Simplify right side
   221,526x = 236,141,571,136
5. Step 5: Solve for x
   x = 236,141,571,136/221,526
6. Step 6: Final answer
   x = 1,065,976.78