Finding the Third Proportional to 917,944 and 1,403,208

Step by Step Solution

1. Step 1: Write the proportion equation
   917,944 : 1,403,208 = 1,403,208 : x
2. Step 2: Convert to fraction form
   917,944/1,403,208 = 1,403,208/x
3. Step 3: Cross multiply
   917,944x = 1,403,208 × 1,403,208
4. Step 4: Simplify right side
   917,944x = 1,968,992,691,264
5. Step 5: Solve for x
   x = 1,968,992,691,264/917,944
6. Step 6: Final answer
   x = 2,145,003.06