Finding the Third Proportional to 3,947,793 and 8,483,013

Step by Step Solution

1. Step 1: Write the proportion equation
   3,947,793 : 8,483,013 = 8,483,013 : x
2. Step 2: Convert to fraction form
   3,947,793/8,483,013 = 8,483,013/x
3. Step 3: Cross multiply
   3,947,793x = 8,483,013 × 8,483,013
4. Step 4: Simplify right side
   3,947,793x = 71,961,509,558,169
5. Step 5: Solve for x
   x = 71,961,509,558,169/3,947,793
6. Step 6: Final answer
   x = 18,228,288.45