Finding the Third Proportional to 789,538 and 1,661,580

Step by Step Solution

1. Step 1: Write the proportion equation
   789,538 : 1,661,580 = 1,661,580 : x
2. Step 2: Convert to fraction form
   789,538/1,661,580 = 1,661,580/x
3. Step 3: Cross multiply
   789,538x = 1,661,580 × 1,661,580
4. Step 4: Simplify right side
   789,538x = 2,760,848,096,400
5. Step 5: Solve for x
   x = 2,760,848,096,400/789,538
6. Step 6: Final answer
   x = 3,496,789.38