Finding the Third Proportional to 1,421,469 and 3,108,648

Step by Step Solution

1. Step 1: Write the proportion equation
   1,421,469 : 3,108,648 = 3,108,648 : x
2. Step 2: Convert to fraction form
   1,421,469/3,108,648 = 3,108,648/x
3. Step 3: Cross multiply
   1,421,469x = 3,108,648 × 3,108,648
4. Step 4: Simplify right side
   1,421,469x = 9,663,692,387,904
5. Step 5: Solve for x
   x = 9,663,692,387,904/1,421,469
6. Step 6: Final answer
   x = 6,798,384.20