Finding the Third Proportional to 2,802,640 and 6,128,756

Step by Step Solution

1. Step 1: Write the proportion equation
   2,802,640 : 6,128,756 = 6,128,756 : x
2. Step 2: Convert to fraction form
   2,802,640/6,128,756 = 6,128,756/x
3. Step 3: Cross multiply
   2,802,640x = 6,128,756 × 6,128,756
4. Step 4: Simplify right side
   2,802,640x = 37,561,650,107,536
5. Step 5: Solve for x
   x = 37,561,650,107,536/2,802,640
6. Step 6: Final answer
   x = 13,402,238.64