Finding the Third Proportional to 218,942 and 471,650

Step by Step Solution

1. Step 1: Write the proportion equation
   218,942 : 471,650 = 471,650 : x
2. Step 2: Convert to fraction form
   218,942/471,650 = 471,650/x
3. Step 3: Cross multiply
   218,942x = 471,650 × 471,650
4. Step 4: Simplify right side
   218,942x = 222,453,722,500
5. Step 5: Solve for x
   x = 222,453,722,500/218,942
6. Step 6: Final answer
   x = 1,016,039.51