Finding the Third Proportional to 3,504,388 and 5,123,539

Step by Step Solution

1. Step 1: Write the proportion equation
   3,504,388 : 5,123,539 = 5,123,539 : x
2. Step 2: Convert to fraction form
   3,504,388/5,123,539 = 5,123,539/x
3. Step 3: Cross multiply
   3,504,388x = 5,123,539 × 5,123,539
4. Step 4: Simplify right side
   3,504,388x = 26,250,651,884,521
5. Step 5: Solve for x
   x = 26,250,651,884,521/3,504,388
6. Step 6: Final answer
   x = 7,490,794.94