Finding the Third Proportional to 1,175,074 and 1,585,455

Step by Step Solution

1. Step 1: Write the proportion equation
   1,175,074 : 1,585,455 = 1,585,455 : x
2. Step 2: Convert to fraction form
   1,175,074/1,585,455 = 1,585,455/x
3. Step 3: Cross multiply
   1,175,074x = 1,585,455 × 1,585,455
4. Step 4: Simplify right side
   1,175,074x = 2,513,667,557,025
5. Step 5: Solve for x
   x = 2,513,667,557,025/1,175,074
6. Step 6: Final answer
   x = 2,139,156.82