Finding the Third Proportional to 2,609,176 and 3,991,580

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609,176 : 3,991,580 = 3,991,580 : x
2. Step 2: Convert to fraction form
   2,609,176/3,991,580 = 3,991,580/x
3. Step 3: Cross multiply
   2,609,176x = 3,991,580 × 3,991,580
4. Step 4: Simplify right side
   2,609,176x = 15,932,710,896,400
5. Step 5: Solve for x
   x = 15,932,710,896,400/2,609,176
6. Step 6: Final answer
   x = 6,106,414.78