Finding the Third Proportional to 216,360 and 472,086

Step by Step Solution

1. Step 1: Write the proportion equation
   216,360 : 472,086 = 472,086 : x
2. Step 2: Convert to fraction form
   216,360/472,086 = 472,086/x
3. Step 3: Cross multiply
   216,360x = 472,086 × 472,086
4. Step 4: Simplify right side
   216,360x = 222,865,191,396
5. Step 5: Solve for x
   x = 222,865,191,396/216,360
6. Step 6: Final answer
   x = 1,030,066.52