Finding the Third Proportional to 1,369,826 and 2,181,586

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369,826 : 2,181,586 = 2,181,586 : x
2. Step 2: Convert to fraction form
   1,369,826/2,181,586 = 2,181,586/x
3. Step 3: Cross multiply
   1,369,826x = 2,181,586 × 2,181,586
4. Step 4: Simplify right side
   1,369,826x = 4,759,317,475,396
5. Step 5: Solve for x
   x = 4,759,317,475,396/1,369,826
6. Step 6: Final answer
   x = 3,474,395.64