Finding the Third Proportional to 680,510 and 1,485,538

Step by Step Solution

1. Step 1: Write the proportion equation
   680,510 : 1,485,538 = 1,485,538 : x
2. Step 2: Convert to fraction form
   680,510/1,485,538 = 1,485,538/x
3. Step 3: Cross multiply
   680,510x = 1,485,538 × 1,485,538
4. Step 4: Simplify right side
   680,510x = 2,206,823,149,444
5. Step 5: Solve for x
   x = 2,206,823,149,444/680,510
6. Step 6: Final answer
   x = 3,242,895.99