Finding the Third Proportional to 1,827,440 and 2,678,824

Step by Step Solution

1. Step 1: Write the proportion equation
   1,827,440 : 2,678,824 = 2,678,824 : x
2. Step 2: Convert to fraction form
   1,827,440/2,678,824 = 2,678,824/x
3. Step 3: Cross multiply
   1,827,440x = 2,678,824 × 2,678,824
4. Step 4: Simplify right side
   1,827,440x = 7,176,098,022,976
5. Step 5: Solve for x
   x = 7,176,098,022,976/1,827,440
6. Step 6: Final answer
   x = 3,926,858.35