Finding the Third Proportional to 1,139,510 and 2,431,567

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,510 : 2,431,567 = 2,431,567 : x
2. Step 2: Convert to fraction form
   1,139,510/2,431,567 = 2,431,567/x
3. Step 3: Cross multiply
   1,139,510x = 2,431,567 × 2,431,567
4. Step 4: Simplify right side
   1,139,510x = 5,912,518,075,489
5. Step 5: Solve for x
   x = 5,912,518,075,489/1,139,510
6. Step 6: Final answer
   x = 5,188,649.57