Finding the Third Proportional to 9,724,982 and 21,162,412

Step by Step Solution

1. Step 1: Write the proportion equation
   9,724,982 : 21,162,412 = 21,162,412 : x
2. Step 2: Convert to fraction form
   9,724,982/21,162,412 = 21,162,412/x
3. Step 3: Cross multiply
   9,724,982x = 21,162,412 × 21,162,412
4. Step 4: Simplify right side
   9,724,982x = 447,847,681,657,744
5. Step 5: Solve for x
   x = 447,847,681,657,744/9,724,982
6. Step 6: Final answer
   x = 46,051,260.73