Finding the Third Proportional to 2,118,046,106 and 4,617,459,676

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,046,106 : 4,617,459,676 = 4,617,459,676 : x
2. Step 2: Convert to fraction form
   2,118,046,106/4,617,459,676 = 4,617,459,676/x
3. Step 3: Cross multiply
   2,118,046,106x = 4,617,459,676 × 4,617,459,676
4. Step 4: Simplify right side
   2,118,046,106x = 21,320,933,859,486,023,680
5. Step 5: Solve for x
   x = 21,320,933,859,486,023,680/2,118,046,106
6. Step 6: Final answer
   x = 10,066,321,879.91