Finding the Third Proportional to 9,691,804 and 21,144,020

Step by Step Solution

1. Step 1: Write the proportion equation
   9,691,804 : 21,144,020 = 21,144,020 : x
2. Step 2: Convert to fraction form
   9,691,804/21,144,020 = 21,144,020/x
3. Step 3: Cross multiply
   9,691,804x = 21,144,020 × 21,144,020
4. Step 4: Simplify right side
   9,691,804x = 447,069,581,760,400
5. Step 5: Solve for x
   x = 447,069,581,760,400/9,691,804
6. Step 6: Final answer
   x = 46,128,623.91