Finding the Third Proportional to 1,129,703 and 1,721,017

Step by Step Solution

1. Step 1: Write the proportion equation
   1,129,703 : 1,721,017 = 1,721,017 : x
2. Step 2: Convert to fraction form
   1,129,703/1,721,017 = 1,721,017/x
3. Step 3: Cross multiply
   1,129,703x = 1,721,017 × 1,721,017
4. Step 4: Simplify right side
   1,129,703x = 2,961,899,514,289
5. Step 5: Solve for x
   x = 2,961,899,514,289/1,129,703
6. Step 6: Final answer
   x = 2,621,839.12