Finding the Third Proportional to 2,680,504 and 5,780,880

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680,504 : 5,780,880 = 5,780,880 : x
2. Step 2: Convert to fraction form
   2,680,504/5,780,880 = 5,780,880/x
3. Step 3: Cross multiply
   2,680,504x = 5,780,880 × 5,780,880
4. Step 4: Simplify right side
   2,680,504x = 33,418,573,574,400
5. Step 5: Solve for x
   x = 33,418,573,574,400/2,680,504
6. Step 6: Final answer
   x = 12,467,272.41