Finding the Third Proportional to 3,885,156 and 8,243,712

Step by Step Solution

1. Step 1: Write the proportion equation
   3,885,156 : 8,243,712 = 8,243,712 : x
2. Step 2: Convert to fraction form
   3,885,156/8,243,712 = 8,243,712/x
3. Step 3: Cross multiply
   3,885,156x = 8,243,712 × 8,243,712
4. Step 4: Simplify right side
   3,885,156x = 67,958,787,538,944
5. Step 5: Solve for x
   x = 67,958,787,538,944/3,885,156
6. Step 6: Final answer
   x = 17,491,907.03