Finding the Third Proportional to 2,130,686 and 4,577,596

Step by Step Solution

1. Step 1: Write the proportion equation
   2,130,686 : 4,577,596 = 4,577,596 : x
2. Step 2: Convert to fraction form
   2,130,686/4,577,596 = 4,577,596/x
3. Step 3: Cross multiply
   2,130,686x = 4,577,596 × 4,577,596
4. Step 4: Simplify right side
   2,130,686x = 20,954,385,139,216
5. Step 5: Solve for x
   x = 20,954,385,139,216/2,130,686
6. Step 6: Final answer
   x = 9,834,572.12