Finding the Third Proportional to 1,605,747 and 2,187,126

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605,747 : 2,187,126 = 2,187,126 : x
2. Step 2: Convert to fraction form
   1,605,747/2,187,126 = 2,187,126/x
3. Step 3: Cross multiply
   1,605,747x = 2,187,126 × 2,187,126
4. Step 4: Simplify right side
   1,605,747x = 4,783,520,139,876
5. Step 5: Solve for x
   x = 4,783,520,139,876/1,605,747
6. Step 6: Final answer
   x = 2,978,999.89