Finding the Third Proportional to 4,023,476 and 8,622,220

Step by Step Solution

1. Step 1: Write the proportion equation
   4,023,476 : 8,622,220 = 8,622,220 : x
2. Step 2: Convert to fraction form
   4,023,476/8,622,220 = 8,622,220/x
3. Step 3: Cross multiply
   4,023,476x = 8,622,220 × 8,622,220
4. Step 4: Simplify right side
   4,023,476x = 74,342,677,728,400
5. Step 5: Solve for x
   x = 74,342,677,728,400/4,023,476
6. Step 6: Final answer
   x = 18,477,226.59