Finding the Third Proportional to 599,481 and 1,287,900

Step by Step Solution

1. Step 1: Write the proportion equation
   599,481 : 1,287,900 = 1,287,900 : x
2. Step 2: Convert to fraction form
   599,481/1,287,900 = 1,287,900/x
3. Step 3: Cross multiply
   599,481x = 1,287,900 × 1,287,900
4. Step 4: Simplify right side
   599,481x = 1,658,686,410,000
5. Step 5: Solve for x
   x = 1,658,686,410,000/599,481
6. Step 6: Final answer
   x = 2,766,870.69