Finding the Third Proportional to 216,367 and 472,099

Step by Step Solution

1. Step 1: Write the proportion equation
   216,367 : 472,099 = 472,099 : x
2. Step 2: Convert to fraction form
   216,367/472,099 = 472,099/x
3. Step 3: Cross multiply
   216,367x = 472,099 × 472,099
4. Step 4: Simplify right side
   216,367x = 222,877,465,801
5. Step 5: Solve for x
   x = 222,877,465,801/216,367
6. Step 6: Final answer
   x = 1,030,089.92