Finding the Third Proportional to 796,729 and 1,866,434

Step by Step Solution

1. Step 1: Write the proportion equation
   796,729 : 1,866,434 = 1,866,434 : x
2. Step 2: Convert to fraction form
   796,729/1,866,434 = 1,866,434/x
3. Step 3: Cross multiply
   796,729x = 1,866,434 × 1,866,434
4. Step 4: Simplify right side
   796,729x = 3,483,575,876,356
5. Step 5: Solve for x
   x = 3,483,575,876,356/796,729
6. Step 6: Final answer
   x = 4,372,347.28