Finding the Third Proportional to 699,976 and 1,528,256

Step by Step Solution

1. Step 1: Write the proportion equation
   699,976 : 1,528,256 = 1,528,256 : x
2. Step 2: Convert to fraction form
   699,976/1,528,256 = 1,528,256/x
3. Step 3: Cross multiply
   699,976x = 1,528,256 × 1,528,256
4. Step 4: Simplify right side
   699,976x = 2,335,566,401,536
5. Step 5: Solve for x
   x = 2,335,566,401,536/699,976
6. Step 6: Final answer
   x = 3,336,637.83