Finding the Third Proportional to 1,077,430 and 1,668,257

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077,430 : 1,668,257 = 1,668,257 : x
2. Step 2: Convert to fraction form
   1,077,430/1,668,257 = 1,668,257/x
3. Step 3: Cross multiply
   1,077,430x = 1,668,257 × 1,668,257
4. Step 4: Simplify right side
   1,077,430x = 2,783,081,418,049
5. Step 5: Solve for x
   x = 2,783,081,418,049/1,077,430
6. Step 6: Final answer
   x = 2,583,074.00