Finding the Third Proportional to 221,364 and 474,979.50

Step by Step Solution

1. Step 1: Write the proportion equation
   221,364 : 474,979.50 = 474,979.50 : x
2. Step 2: Convert to fraction form
   221,364/474,979.50 = 474,979.50/x
3. Step 3: Cross multiply
   221,364x = 474,979.50 × 474,979.50
4. Step 4: Simplify right side
   221,364x = 225,605,525,420.25
5. Step 5: Solve for x
   x = 225,605,525,420.25/221,364
6. Step 6: Final answer
   x = 1,019,160.86