Finding the Third Proportional to 214,172 and 476,216

Step by Step Solution

1. Step 1: Write the proportion equation
   214,172 : 476,216 = 476,216 : x
2. Step 2: Convert to fraction form
   214,172/476,216 = 476,216/x
3. Step 3: Cross multiply
   214,172x = 476,216 × 476,216
4. Step 4: Simplify right side
   214,172x = 226,781,678,656
5. Step 5: Solve for x
   x = 226,781,678,656/214,172
6. Step 6: Final answer
   x = 1,058,876.41