Finding the Third Proportional to 715,177 and 1,489,142

Step by Step Solution

1. Step 1: Write the proportion equation
   715,177 : 1,489,142 = 1,489,142 : x
2. Step 2: Convert to fraction form
   715,177/1,489,142 = 1,489,142/x
3. Step 3: Cross multiply
   715,177x = 1,489,142 × 1,489,142
4. Step 4: Simplify right side
   715,177x = 2,217,543,896,164
5. Step 5: Solve for x
   x = 2,217,543,896,164/715,177
6. Step 6: Final answer
   x = 3,100,692.41