Finding the Third Proportional to 2,913,681 and 4,570,686

Step by Step Solution

1. Step 1: Write the proportion equation
   2,913,681 : 4,570,686 = 4,570,686 : x
2. Step 2: Convert to fraction form
   2,913,681/4,570,686 = 4,570,686/x
3. Step 3: Cross multiply
   2,913,681x = 4,570,686 × 4,570,686
4. Step 4: Simplify right side
   2,913,681x = 20,891,170,510,596
5. Step 5: Solve for x
   x = 20,891,170,510,596/2,913,681
6. Step 6: Final answer
   x = 7,170,026.68