Finding the Third Proportional to 2,130,686 and 4,577,595

Step by Step Solution

1. Step 1: Write the proportion equation
   2,130,686 : 4,577,595 = 4,577,595 : x
2. Step 2: Convert to fraction form
   2,130,686/4,577,595 = 4,577,595/x
3. Step 3: Cross multiply
   2,130,686x = 4,577,595 × 4,577,595
4. Step 4: Simplify right side
   2,130,686x = 20,954,375,984,025
5. Step 5: Solve for x
   x = 20,954,375,984,025/2,130,686
6. Step 6: Final answer
   x = 9,834,567.83