Finding the Third Proportional to 1,120,309 and 1,721,995

Step by Step Solution

1. Step 1: Write the proportion equation
   1,120,309 : 1,721,995 = 1,721,995 : x
2. Step 2: Convert to fraction form
   1,120,309/1,721,995 = 1,721,995/x
3. Step 3: Cross multiply
   1,120,309x = 1,721,995 × 1,721,995
4. Step 4: Simplify right side
   1,120,309x = 2,965,266,780,025
5. Step 5: Solve for x
   x = 2,965,266,780,025/1,120,309
6. Step 6: Final answer
   x = 2,646,829.38