Finding the Third Proportional to 4,386,866 and 9,467,356

Step by Step Solution

1. Step 1: Write the proportion equation
   4,386,866 : 9,467,356 = 9,467,356 : x
2. Step 2: Convert to fraction form
   4,386,866/9,467,356 = 9,467,356/x
3. Step 3: Cross multiply
   4,386,866x = 9,467,356 × 9,467,356
4. Step 4: Simplify right side
   4,386,866x = 89,630,829,630,736
5. Step 5: Solve for x
   x = 89,630,829,630,736/4,386,866
6. Step 6: Final answer
   x = 20,431,631.52