Finding the Third Proportional to 2,680,508 and 5,780,888

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680,508 : 5,780,888 = 5,780,888 : x
2. Step 2: Convert to fraction form
   2,680,508/5,780,888 = 5,780,888/x
3. Step 3: Cross multiply
   2,680,508x = 5,780,888 × 5,780,888
4. Step 4: Simplify right side
   2,680,508x = 33,418,666,068,544
5. Step 5: Solve for x
   x = 33,418,666,068,544/2,680,508
6. Step 6: Final answer
   x = 12,467,288.32