Finding the Third Proportional to 214,560 and 471,960

Step by Step Solution

1. Step 1: Write the proportion equation
   214,560 : 471,960 = 471,960 : x
2. Step 2: Convert to fraction form
   214,560/471,960 = 471,960/x
3. Step 3: Cross multiply
   214,560x = 471,960 × 471,960
4. Step 4: Simplify right side
   214,560x = 222,746,241,600
5. Step 5: Solve for x
   x = 222,746,241,600/214,560
6. Step 6: Final answer
   x = 1,038,153.62