Finding the Third Proportional to 1,175,040 and 1,585,404

Step by Step Solution

1. Step 1: Write the proportion equation
   1,175,040 : 1,585,404 = 1,585,404 : x
2. Step 2: Convert to fraction form
   1,175,040/1,585,404 = 1,585,404/x
3. Step 3: Cross multiply
   1,175,040x = 1,585,404 × 1,585,404
4. Step 4: Simplify right side
   1,175,040x = 2,513,505,843,216
5. Step 5: Solve for x
   x = 2,513,505,843,216/1,175,040
6. Step 6: Final answer
   x = 2,139,081.09