Finding the Third Proportional to 1,577,992 and 2,563,696

Step by Step Solution

1. Step 1: Write the proportion equation
   1,577,992 : 2,563,696 = 2,563,696 : x
2. Step 2: Convert to fraction form
   1,577,992/2,563,696 = 2,563,696/x
3. Step 3: Cross multiply
   1,577,992x = 2,563,696 × 2,563,696
4. Step 4: Simplify right side
   1,577,992x = 6,572,537,180,416
5. Step 5: Solve for x
   x = 6,572,537,180,416/1,577,992
6. Step 6: Final answer
   x = 4,165,127.06