Finding the Third Proportional to 2,913,686 and 4,570,692

Step by Step Solution

1. Step 1: Write the proportion equation
   2,913,686 : 4,570,692 = 4,570,692 : x
2. Step 2: Convert to fraction form
   2,913,686/4,570,692 = 4,570,692/x
3. Step 3: Cross multiply
   2,913,686x = 4,570,692 × 4,570,692
4. Step 4: Simplify right side
   2,913,686x = 20,891,225,358,864
5. Step 5: Solve for x
   x = 20,891,225,358,864/2,913,686
6. Step 6: Final answer
   x = 7,170,033.20