Finding the Third Proportional to 1,077,403 and 1,668,215

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077,403 : 1,668,215 = 1,668,215 : x
2. Step 2: Convert to fraction form
   1,077,403/1,668,215 = 1,668,215/x
3. Step 3: Cross multiply
   1,077,403x = 1,668,215 × 1,668,215
4. Step 4: Simplify right side
   1,077,403x = 2,782,941,286,225
5. Step 5: Solve for x
   x = 2,782,941,286,225/1,077,403
6. Step 6: Final answer
   x = 2,583,008.67