Finding the Third Proportional to 1,577,928 and 2,563,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,577,928 : 2,563,616 = 2,563,616 : x
2. Step 2: Convert to fraction form
   1,577,928/2,563,616 = 2,563,616/x
3. Step 3: Cross multiply
   1,577,928x = 2,563,616 × 2,563,616
4. Step 4: Simplify right side
   1,577,928x = 6,572,126,995,456
5. Step 5: Solve for x
   x = 6,572,126,995,456/1,577,928
6. Step 6: Final answer
   x = 4,165,036.04