Finding the Third Proportional to 9,945,606 and 21,740,097

Step by Step Solution

1. Step 1: Write the proportion equation
   9,945,606 : 21,740,097 = 21,740,097 : x
2. Step 2: Convert to fraction form
   9,945,606/21,740,097 = 21,740,097/x
3. Step 3: Cross multiply
   9,945,606x = 21,740,097 × 21,740,097
4. Step 4: Simplify right side
   9,945,606x = 472,631,817,569,409
5. Step 5: Solve for x
   x = 472,631,817,569,409/9,945,606
6. Step 6: Final answer
   x = 47,521,671.13