Finding the Third Proportional to 1,586,538 and 3,425,539

Step by Step Solution

1. Step 1: Write the proportion equation
   1,586,538 : 3,425,539 = 3,425,539 : x
2. Step 2: Convert to fraction form
   1,586,538/3,425,539 = 3,425,539/x
3. Step 3: Cross multiply
   1,586,538x = 3,425,539 × 3,425,539
4. Step 4: Simplify right side
   1,586,538x = 11,734,317,440,521
5. Step 5: Solve for x
   x = 11,734,317,440,521/1,586,538
6. Step 6: Final answer
   x = 7,396,177.99