Finding the Third Proportional to 1,574,488 and 2,506,540

Step by Step Solution

1. Step 1: Write the proportion equation
   1,574,488 : 2,506,540 = 2,506,540 : x
2. Step 2: Convert to fraction form
   1,574,488/2,506,540 = 2,506,540/x
3. Step 3: Cross multiply
   1,574,488x = 2,506,540 × 2,506,540
4. Step 4: Simplify right side
   1,574,488x = 6,282,742,771,600
5. Step 5: Solve for x
   x = 6,282,742,771,600/1,574,488
6. Step 6: Final answer
   x = 3,990,340.21