Finding the Third Proportional to 9,940,086 and 21,741,228

Step by Step Solution

1. Step 1: Write the proportion equation
   9,940,086 : 21,741,228 = 21,741,228 : x
2. Step 2: Convert to fraction form
   9,940,086/21,741,228 = 21,741,228/x
3. Step 3: Cross multiply
   9,940,086x = 21,741,228 × 21,741,228
4. Step 4: Simplify right side
   9,940,086x = 472,680,994,947,984
5. Step 5: Solve for x
   x = 472,680,994,947,984/9,940,086
6. Step 6: Final answer
   x = 47,553,008.59