Finding the Third Proportional to 1,002,590 and 1,508,679

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,590 : 1,508,679 = 1,508,679 : x
2. Step 2: Convert to fraction form
   1,002,590/1,508,679 = 1,508,679/x
3. Step 3: Cross multiply
   1,002,590x = 1,508,679 × 1,508,679
4. Step 4: Simplify right side
   1,002,590x = 2,276,112,325,041
5. Step 5: Solve for x
   x = 2,276,112,325,041/1,002,590
6. Step 6: Final answer
   x = 2,270,232.42