Finding the Third Proportional to 1,678,190 and 2,485,810

Step by Step Solution

1. Step 1: Write the proportion equation
   1,678,190 : 2,485,810 = 2,485,810 : x
2. Step 2: Convert to fraction form
   1,678,190/2,485,810 = 2,485,810/x
3. Step 3: Cross multiply
   1,678,190x = 2,485,810 × 2,485,810
4. Step 4: Simplify right side
   1,678,190x = 6,179,251,356,100
5. Step 5: Solve for x
   x = 6,179,251,356,100/1,678,190
6. Step 6: Final answer
   x = 3,682,092.82