Finding the Third Proportional to 1,081,644 and 1,681,464

Step by Step Solution

1. Step 1: Write the proportion equation
   1,081,644 : 1,681,464 = 1,681,464 : x
2. Step 2: Convert to fraction form
   1,081,644/1,681,464 = 1,681,464/x
3. Step 3: Cross multiply
   1,081,644x = 1,681,464 × 1,681,464
4. Step 4: Simplify right side
   1,081,644x = 2,827,321,183,296
5. Step 5: Solve for x
   x = 2,827,321,183,296/1,081,644
6. Step 6: Final answer
   x = 2,613,911.03