Finding the Third Proportional to 646,956 and 1,403,868

Step by Step Solution

1. Step 1: Write the proportion equation
   646,956 : 1,403,868 = 1,403,868 : x
2. Step 2: Convert to fraction form
   646,956/1,403,868 = 1,403,868/x
3. Step 3: Cross multiply
   646,956x = 1,403,868 × 1,403,868
4. Step 4: Simplify right side
   646,956x = 1,970,845,361,424
5. Step 5: Solve for x
   x = 1,970,845,361,424/646,956
6. Step 6: Final answer
   x = 3,046,336.01