Finding the Third Proportional to 221,157 and 471,271.50

Step by Step Solution

1. Step 1: Write the proportion equation
   221,157 : 471,271.50 = 471,271.50 : x
2. Step 2: Convert to fraction form
   221,157/471,271.50 = 471,271.50/x
3. Step 3: Cross multiply
   221,157x = 471,271.50 × 471,271.50
4. Step 4: Simplify right side
   221,157x = 222,096,826,712.25
5. Step 5: Solve for x
   x = 222,096,826,712.25/221,157
6. Step 6: Final answer
   x = 1,004,249.59