Finding the Third Proportional to 10,018,982 and 21,928,396

Step by Step Solution

1. Step 1: Write the proportion equation
   10,018,982 : 21,928,396 = 21,928,396 : x
2. Step 2: Convert to fraction form
   10,018,982/21,928,396 = 21,928,396/x
3. Step 3: Cross multiply
   10,018,982x = 21,928,396 × 21,928,396
4. Step 4: Simplify right side
   10,018,982x = 480,854,551,132,816
5. Step 5: Solve for x
   x = 480,854,551,132,816/10,018,982
6. Step 6: Final answer
   x = 47,994,352.23