Finding the Third Proportional to 1,159,137 and 2,489,670

Step by Step Solution

1. Step 1: Write the proportion equation
   1,159,137 : 2,489,670 = 2,489,670 : x
2. Step 2: Convert to fraction form
   1,159,137/2,489,670 = 2,489,670/x
3. Step 3: Cross multiply
   1,159,137x = 2,489,670 × 2,489,670
4. Step 4: Simplify right side
   1,159,137x = 6,198,456,708,900
5. Step 5: Solve for x
   x = 6,198,456,708,900/1,159,137
6. Step 6: Final answer
   x = 5,347,475.50