Finding the Third Proportional to 1,268,356 and 1,857,030

Step by Step Solution

1. Step 1: Write the proportion equation
   1,268,356 : 1,857,030 = 1,857,030 : x
2. Step 2: Convert to fraction form
   1,268,356/1,857,030 = 1,857,030/x
3. Step 3: Cross multiply
   1,268,356x = 1,857,030 × 1,857,030
4. Step 4: Simplify right side
   1,268,356x = 3,448,560,420,900
5. Step 5: Solve for x
   x = 3,448,560,420,900/1,268,356
6. Step 6: Final answer
   x = 2,718,921.52