Finding the Third Proportional to 2,690,138 and 5,805,247

Step by Step Solution

1. Step 1: Write the proportion equation
   2,690,138 : 5,805,247 = 5,805,247 : x
2. Step 2: Convert to fraction form
   2,690,138/5,805,247 = 5,805,247/x
3. Step 3: Cross multiply
   2,690,138x = 5,805,247 × 5,805,247
4. Step 4: Simplify right side
   2,690,138x = 33,700,892,731,009
5. Step 5: Solve for x
   x = 33,700,892,731,009/2,690,138
6. Step 6: Final answer
   x = 12,527,570.23