Finding the Third Proportional to 1,615,144 and 3,548,696

Step by Step Solution

1. Step 1: Write the proportion equation
   1,615,144 : 3,548,696 = 3,548,696 : x
2. Step 2: Convert to fraction form
   1,615,144/3,548,696 = 3,548,696/x
3. Step 3: Cross multiply
   1,615,144x = 3,548,696 × 3,548,696
4. Step 4: Simplify right side
   1,615,144x = 12,593,243,300,416
5. Step 5: Solve for x
   x = 12,593,243,300,416/1,615,144
6. Step 6: Final answer
   x = 7,796,978.66