Finding the Third Proportional to 728,481 and 1,485,870

Step by Step Solution

1. Step 1: Write the proportion equation
   728,481 : 1,485,870 = 1,485,870 : x
2. Step 2: Convert to fraction form
   728,481/1,485,870 = 1,485,870/x
3. Step 3: Cross multiply
   728,481x = 1,485,870 × 1,485,870
4. Step 4: Simplify right side
   728,481x = 2,207,809,656,900
5. Step 5: Solve for x
   x = 2,207,809,656,900/728,481
6. Step 6: Final answer
   x = 3,030,703.14