Finding the Third Proportional to 5,646,996 and 8,523,144

Step by Step Solution

1. Step 1: Write the proportion equation
   5,646,996 : 8,523,144 = 8,523,144 : x
2. Step 2: Convert to fraction form
   5,646,996/8,523,144 = 8,523,144/x
3. Step 3: Cross multiply
   5,646,996x = 8,523,144 × 8,523,144
4. Step 4: Simplify right side
   5,646,996x = 72,643,983,644,736
5. Step 5: Solve for x
   x = 72,643,983,644,736/5,646,996
6. Step 6: Final answer
   x = 12,864,181.88