Finding the Third Proportional to 3,504,388 and 5,123,538

Step by Step Solution

1. Step 1: Write the proportion equation
   3,504,388 : 5,123,538 = 5,123,538 : x
2. Step 2: Convert to fraction form
   3,504,388/5,123,538 = 5,123,538/x
3. Step 3: Cross multiply
   3,504,388x = 5,123,538 × 5,123,538
4. Step 4: Simplify right side
   3,504,388x = 26,250,641,637,444
5. Step 5: Solve for x
   x = 26,250,641,637,444/3,504,388
6. Step 6: Final answer
   x = 7,490,792.01