Finding the Third Proportional to 2,167,902 and 4,668,780

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167,902 : 4,668,780 = 4,668,780 : x
2. Step 2: Convert to fraction form
   2,167,902/4,668,780 = 4,668,780/x
3. Step 3: Cross multiply
   2,167,902x = 4,668,780 × 4,668,780
4. Step 4: Simplify right side
   2,167,902x = 21,797,506,688,400
5. Step 5: Solve for x
   x = 21,797,506,688,400/2,167,902
6. Step 6: Final answer
   x = 10,054,655.00