Finding the Third Proportional to 2,106,684 and 4,668,912

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,684 : 4,668,912 = 4,668,912 : x
2. Step 2: Convert to fraction form
   2,106,684/4,668,912 = 4,668,912/x
3. Step 3: Cross multiply
   2,106,684x = 4,668,912 × 4,668,912
4. Step 4: Simplify right side
   2,106,684x = 21,798,739,263,744
5. Step 5: Solve for x
   x = 21,798,739,263,744/2,106,684
6. Step 6: Final answer
   x = 10,347,417.68