Finding the Third Proportional to 599,287 and 1,287,510.50

Step by Step Solution

1. Step 1: Write the proportion equation
   599,287 : 1,287,510.50 = 1,287,510.50 : x
2. Step 2: Convert to fraction form
   599,287/1,287,510.50 = 1,287,510.50/x
3. Step 3: Cross multiply
   599,287x = 1,287,510.50 × 1,287,510.50
4. Step 4: Simplify right side
   599,287x = 1,657,683,287,610.25
5. Step 5: Solve for x
   x = 1,657,683,287,610.25/599,287
6. Step 6: Final answer
   x = 2,766,092.52