Finding the Third Proportional to 215,280 and 471,600

Step by Step Solution

1. Step 1: Write the proportion equation
   215,280 : 471,600 = 471,600 : x
2. Step 2: Convert to fraction form
   215,280/471,600 = 471,600/x
3. Step 3: Cross multiply
   215,280x = 471,600 × 471,600
4. Step 4: Simplify right side
   215,280x = 222,406,560,000
5. Step 5: Solve for x
   x = 222,406,560,000/215,280
6. Step 6: Final answer
   x = 1,033,103.68