Finding the Third Proportional to 2,218,776 and 4,542,696

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,776 : 4,542,696 = 4,542,696 : x
2. Step 2: Convert to fraction form
   2,218,776/4,542,696 = 4,542,696/x
3. Step 3: Cross multiply
   2,218,776x = 4,542,696 × 4,542,696
4. Step 4: Simplify right side
   2,218,776x = 20,636,086,948,416
5. Step 5: Solve for x
   x = 20,636,086,948,416/2,218,776
6. Step 6: Final answer
   x = 9,300,662.59