Finding the Third Proportional to 6,780,888 and 10,240,456

Step by Step Solution

1. Step 1: Write the proportion equation
   6,780,888 : 10,240,456 = 10,240,456 : x
2. Step 2: Convert to fraction form
   6,780,888/10,240,456 = 10,240,456/x
3. Step 3: Cross multiply
   6,780,888x = 10,240,456 × 10,240,456
4. Step 4: Simplify right side
   6,780,888x = 104,866,939,087,936
5. Step 5: Solve for x
   x = 104,866,939,087,936/6,780,888
6. Step 6: Final answer
   x = 15,465,074.65