Finding the Third Proportional to 1,429,708 and 2,222,970

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429,708 : 2,222,970 = 2,222,970 : x
2. Step 2: Convert to fraction form
   1,429,708/2,222,970 = 2,222,970/x
3. Step 3: Cross multiply
   1,429,708x = 2,222,970 × 2,222,970
4. Step 4: Simplify right side
   1,429,708x = 4,941,595,620,900
5. Step 5: Solve for x
   x = 4,941,595,620,900/1,429,708
6. Step 6: Final answer
   x = 3,456,367.05