Finding the Third Proportional to 1,915,708 and 2,789,322

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915,708 : 2,789,322 = 2,789,322 : x
2. Step 2: Convert to fraction form
   1,915,708/2,789,322 = 2,789,322/x
3. Step 3: Cross multiply
   1,915,708x = 2,789,322 × 2,789,322
4. Step 4: Simplify right side
   1,915,708x = 7,780,317,219,684
5. Step 5: Solve for x
   x = 7,780,317,219,684/1,915,708
6. Step 6: Final answer
   x = 4,061,327.31