Finding the Third Proportional to 1,015,587 and 2,171,142

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,587 : 2,171,142 = 2,171,142 : x
2. Step 2: Convert to fraction form
   1,015,587/2,171,142 = 2,171,142/x
3. Step 3: Cross multiply
   1,015,587x = 2,171,142 × 2,171,142
4. Step 4: Simplify right side
   1,015,587x = 4,713,857,584,164
5. Step 5: Solve for x
   x = 4,713,857,584,164/1,015,587
6. Step 6: Final answer
   x = 4,641,510.36