Finding the Third Proportional to 1,369,844 and 2,181,615

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369,844 : 2,181,615 = 2,181,615 : x
2. Step 2: Convert to fraction form
   1,369,844/2,181,615 = 2,181,615/x
3. Step 3: Cross multiply
   1,369,844x = 2,181,615 × 2,181,615
4. Step 4: Simplify right side
   1,369,844x = 4,759,444,008,225
5. Step 5: Solve for x
   x = 4,759,444,008,225/1,369,844
6. Step 6: Final answer
   x = 3,474,442.35