Finding the Third Proportional to 599,300 and 1,287,538

Step by Step Solution

1. Step 1: Write the proportion equation
   599,300 : 1,287,538 = 1,287,538 : x
2. Step 2: Convert to fraction form
   599,300/1,287,538 = 1,287,538/x
3. Step 3: Cross multiply
   599,300x = 1,287,538 × 1,287,538
4. Step 4: Simplify right side
   599,300x = 1,657,754,101,444
5. Step 5: Solve for x
   x = 1,657,754,101,444/599,300
6. Step 6: Final answer
   x = 2,766,150.68