Finding the Third Proportional to 1,605,757 and 2,187,140

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605,757 : 2,187,140 = 2,187,140 : x
2. Step 2: Convert to fraction form
   1,605,757/2,187,140 = 2,187,140/x
3. Step 3: Cross multiply
   1,605,757x = 2,187,140 × 2,187,140
4. Step 4: Simplify right side
   1,605,757x = 4,783,581,379,600
5. Step 5: Solve for x
   x = 4,783,581,379,600/1,605,757
6. Step 6: Final answer
   x = 2,979,019.48