Finding the Third Proportional to 9,754,686 and 21,440,034

Step by Step Solution

1. Step 1: Write the proportion equation
   9,754,686 : 21,440,034 = 21,440,034 : x
2. Step 2: Convert to fraction form
   9,754,686/21,440,034 = 21,440,034/x
3. Step 3: Cross multiply
   9,754,686x = 21,440,034 × 21,440,034
4. Step 4: Simplify right side
   9,754,686x = 459,675,057,921,156
5. Step 5: Solve for x
   x = 459,675,057,921,156/9,754,686
6. Step 6: Final answer
   x = 47,123,511.50