Finding the Third Proportional to 4,420,532 and 9,662,854

Step by Step Solution

1. Step 1: Write the proportion equation
   4,420,532 : 9,662,854 = 9,662,854 : x
2. Step 2: Convert to fraction form
   4,420,532/9,662,854 = 9,662,854/x
3. Step 3: Cross multiply
   4,420,532x = 9,662,854 × 9,662,854
4. Step 4: Simplify right side
   4,420,532x = 93,370,747,425,316
5. Step 5: Solve for x
   x = 93,370,747,425,316/4,420,532
6. Step 6: Final answer
   x = 21,122,061.20