Finding the Third Proportional to 3,691,628 and 5,588,446

Step by Step Solution

1. Step 1: Write the proportion equation
   3,691,628 : 5,588,446 = 5,588,446 : x
2. Step 2: Convert to fraction form
   3,691,628/5,588,446 = 5,588,446/x
3. Step 3: Cross multiply
   3,691,628x = 5,588,446 × 5,588,446
4. Step 4: Simplify right side
   3,691,628x = 31,230,728,694,916
5. Step 5: Solve for x
   x = 31,230,728,694,916/3,691,628
6. Step 6: Final answer
   x = 8,459,879.68