Finding the Third Proportional to 2,148,426 and 4,518,036

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148,426 : 4,518,036 = 4,518,036 : x
2. Step 2: Convert to fraction form
   2,148,426/4,518,036 = 4,518,036/x
3. Step 3: Cross multiply
   2,148,426x = 4,518,036 × 4,518,036
4. Step 4: Simplify right side
   2,148,426x = 20,412,649,297,296
5. Step 5: Solve for x
   x = 20,412,649,297,296/2,148,426
6. Step 6: Final answer
   x = 9,501,211.26