Finding the Third Proportional to 728,476 and 1,102,870

Step by Step Solution

1. Step 1: Write the proportion equation
   728,476 : 1,102,870 = 1,102,870 : x
2. Step 2: Convert to fraction form
   728,476/1,102,870 = 1,102,870/x
3. Step 3: Cross multiply
   728,476x = 1,102,870 × 1,102,870
4. Step 4: Simplify right side
   728,476x = 1,216,322,236,900
5. Step 5: Solve for x
   x = 1,216,322,236,900/728,476
6. Step 6: Final answer
   x = 1,669,680.59