Finding the Third Proportional to 9,945,610 and 21,740,105

Step by Step Solution

1. Step 1: Write the proportion equation
   9,945,610 : 21,740,105 = 21,740,105 : x
2. Step 2: Convert to fraction form
   9,945,610/21,740,105 = 21,740,105/x
3. Step 3: Cross multiply
   9,945,610x = 21,740,105 × 21,740,105
4. Step 4: Simplify right side
   9,945,610x = 472,632,165,411,025
5. Step 5: Solve for x
   x = 472,632,165,411,025/9,945,610
6. Step 6: Final answer
   x = 47,521,687.00