Finding the Third Proportional to 2,665,990 and 3,809,700

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,990 : 3,809,700 = 3,809,700 : x
2. Step 2: Convert to fraction form
   2,665,990/3,809,700 = 3,809,700/x
3. Step 3: Cross multiply
   2,665,990x = 3,809,700 × 3,809,700
4. Step 4: Simplify right side
   2,665,990x = 14,513,814,090,000
5. Step 5: Solve for x
   x = 14,513,814,090,000/2,665,990
6. Step 6: Final answer
   x = 5,444,061.71