Finding the Third Proportional to 1,421,365.50 and 3,108,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,421,365.50 : 3,108,456 = 3,108,456 : x
2. Step 2: Convert to fraction form
   1,421,365.50/3,108,456 = 3,108,456/x
3. Step 3: Cross multiply
   1,421,365.50x = 3,108,456 × 3,108,456
4. Step 4: Simplify right side
   1,421,365.50x = 9,662,498,703,936
5. Step 5: Solve for x
   x = 9,662,498,703,936/1,421,365.50
6. Step 6: Final answer
   x = 6,798,039.42