Finding the Third Proportional to 4,493,916 and 9,617,688

Step by Step Solution

1. Step 1: Write the proportion equation
   4,493,916 : 9,617,688 = 9,617,688 : x
2. Step 2: Convert to fraction form
   4,493,916/9,617,688 = 9,617,688/x
3. Step 3: Cross multiply
   4,493,916x = 9,617,688 × 9,617,688
4. Step 4: Simplify right side
   4,493,916x = 92,499,922,465,344
5. Step 5: Solve for x
   x = 92,499,922,465,344/4,493,916
6. Step 6: Final answer
   x = 20,583,367.04