Finding the Third Proportional to 756,159 and 1,661,398

Step by Step Solution

1. Step 1: Write the proportion equation
   756,159 : 1,661,398 = 1,661,398 : x
2. Step 2: Convert to fraction form
   756,159/1,661,398 = 1,661,398/x
3. Step 3: Cross multiply
   756,159x = 1,661,398 × 1,661,398
4. Step 4: Simplify right side
   756,159x = 2,760,243,314,404
5. Step 5: Solve for x
   x = 2,760,243,314,404/756,159
6. Step 6: Final answer
   x = 3,650,347.76