Finding the Third Proportional to 2,118,046,110 and 4,617,459,684

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,046,110 : 4,617,459,684 = 4,617,459,684 : x
2. Step 2: Convert to fraction form
   2,118,046,110/4,617,459,684 = 4,617,459,684/x
3. Step 3: Cross multiply
   2,118,046,110x = 4,617,459,684 × 4,617,459,684
4. Step 4: Simplify right side
   2,118,046,110x = 21,320,933,933,365,379,072
5. Step 5: Solve for x
   x = 21,320,933,933,365,379,072/2,118,046,110
6. Step 6: Final answer
   x = 10,066,321,895.78