Finding the Third Proportional to 3,504,365 and 5,123,505

Step by Step Solution

1. Step 1: Write the proportion equation
   3,504,365 : 5,123,505 = 5,123,505 : x
2. Step 2: Convert to fraction form
   3,504,365/5,123,505 = 5,123,505/x
3. Step 3: Cross multiply
   3,504,365x = 5,123,505 × 5,123,505
4. Step 4: Simplify right side
   3,504,365x = 26,250,303,485,025
5. Step 5: Solve for x
   x = 26,250,303,485,025/3,504,365
6. Step 6: Final answer
   x = 7,490,744.68