Finding the Third Proportional to 1,403,622 and 2,231,412

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403,622 : 2,231,412 = 2,231,412 : x
2. Step 2: Convert to fraction form
   1,403,622/2,231,412 = 2,231,412/x
3. Step 3: Cross multiply
   1,403,622x = 2,231,412 × 2,231,412
4. Step 4: Simplify right side
   1,403,622x = 4,979,199,513,744
5. Step 5: Solve for x
   x = 4,979,199,513,744/1,403,622
6. Step 6: Final answer
   x = 3,547,393.47