Finding the Third Proportional to 3,856,878 and 8,226,332

Step by Step Solution

1. Step 1: Write the proportion equation
   3,856,878 : 8,226,332 = 8,226,332 : x
2. Step 2: Convert to fraction form
   3,856,878/8,226,332 = 8,226,332/x
3. Step 3: Cross multiply
   3,856,878x = 8,226,332 × 8,226,332
4. Step 4: Simplify right side
   3,856,878x = 67,672,538,174,224
5. Step 5: Solve for x
   x = 67,672,538,174,224/3,856,878
6. Step 6: Final answer
   x = 17,545,936.94