Finding the Third Proportional to 1,563,555 and 2,331,664

Step by Step Solution

1. Step 1: Write the proportion equation
   1,563,555 : 2,331,664 = 2,331,664 : x
2. Step 2: Convert to fraction form
   1,563,555/2,331,664 = 2,331,664/x
3. Step 3: Cross multiply
   1,563,555x = 2,331,664 × 2,331,664
4. Step 4: Simplify right side
   1,563,555x = 5,436,657,008,896
5. Step 5: Solve for x
   x = 5,436,657,008,896/1,563,555
6. Step 6: Final answer
   x = 3,477,112.74