Finding the Third Proportional to 3,692,628 and 7,678,800

Step by Step Solution

1. Step 1: Write the proportion equation
   3,692,628 : 7,678,800 = 7,678,800 : x
2. Step 2: Convert to fraction form
   3,692,628/7,678,800 = 7,678,800/x
3. Step 3: Cross multiply
   3,692,628x = 7,678,800 × 7,678,800
4. Step 4: Simplify right side
   3,692,628x = 58,963,969,440,000
5. Step 5: Solve for x
   x = 58,963,969,440,000/3,692,628
6. Step 6: Final answer
   x = 15,968,023.16