Finding the Third Proportional to 3,691,564 and 5,588,355

Step by Step Solution

1. Step 1: Write the proportion equation
   3,691,564 : 5,588,355 = 5,588,355 : x
2. Step 2: Convert to fraction form
   3,691,564/5,588,355 = 5,588,355/x
3. Step 3: Cross multiply
   3,691,564x = 5,588,355 × 5,588,355
4. Step 4: Simplify right side
   3,691,564x = 31,229,711,606,025
5. Step 5: Solve for x
   x = 31,229,711,606,025/3,691,564
6. Step 6: Final answer
   x = 8,459,750.83