Finding the Third Proportional to 4,420,266 and 9,662,259

Step by Step Solution

1. Step 1: Write the proportion equation
   4,420,266 : 9,662,259 = 9,662,259 : x
2. Step 2: Convert to fraction form
   4,420,266/9,662,259 = 9,662,259/x
3. Step 3: Cross multiply
   4,420,266x = 9,662,259 × 9,662,259
4. Step 4: Simplify right side
   4,420,266x = 93,359,248,983,081
5. Step 5: Solve for x
   x = 93,359,248,983,081/4,420,266
6. Step 6: Final answer
   x = 21,120,730.97