Finding the Third Proportional to 1,945,678 and 3,108,190

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945,678 : 3,108,190 = 3,108,190 : x
2. Step 2: Convert to fraction form
   1,945,678/3,108,190 = 3,108,190/x
3. Step 3: Cross multiply
   1,945,678x = 3,108,190 × 3,108,190
4. Step 4: Simplify right side
   1,945,678x = 9,660,845,076,100
5. Step 5: Solve for x
   x = 9,660,845,076,100/1,945,678
6. Step 6: Final answer
   x = 4,965,284.63