Finding the Third Proportional to 2,680,490 and 5,780,852

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680,490 : 5,780,852 = 5,780,852 : x
2. Step 2: Convert to fraction form
   2,680,490/5,780,852 = 5,780,852/x
3. Step 3: Cross multiply
   2,680,490x = 5,780,852 × 5,780,852
4. Step 4: Simplify right side
   2,680,490x = 33,418,249,845,904
5. Step 5: Solve for x
   x = 33,418,249,845,904/2,680,490
6. Step 6: Final answer
   x = 12,467,216.76