Finding the Third Proportional to 4,493,918 and 9,617,692

Step by Step Solution

1. Step 1: Write the proportion equation
   4,493,918 : 9,617,692 = 9,617,692 : x
2. Step 2: Convert to fraction form
   4,493,918/9,617,692 = 9,617,692/x
3. Step 3: Cross multiply
   4,493,918x = 9,617,692 × 9,617,692
4. Step 4: Simplify right side
   4,493,918x = 92,499,999,406,864
5. Step 5: Solve for x
   x = 92,499,999,406,864/4,493,918
6. Step 6: Final answer
   x = 20,583,375.00