Finding the Third Proportional to 2,690,144 and 5,819,875

Step by Step Solution

1. Step 1: Write the proportion equation
   2,690,144 : 5,819,875 = 5,819,875 : x
2. Step 2: Convert to fraction form
   2,690,144/5,819,875 = 5,819,875/x
3. Step 3: Cross multiply
   2,690,144x = 5,819,875 × 5,819,875
4. Step 4: Simplify right side
   2,690,144x = 33,870,945,015,625
5. Step 5: Solve for x
   x = 33,870,945,015,625/2,690,144
6. Step 6: Final answer
   x = 12,590,755.37