Finding the Third Proportional to 215,280 and 471,436

Step by Step Solution

1. Step 1: Write the proportion equation
   215,280 : 471,436 = 471,436 : x
2. Step 2: Convert to fraction form
   215,280/471,436 = 471,436/x
3. Step 3: Cross multiply
   215,280x = 471,436 × 471,436
4. Step 4: Simplify right side
   215,280x = 222,251,902,096
5. Step 5: Solve for x
   x = 222,251,902,096/215,280
6. Step 6: Final answer
   x = 1,032,385.28