Finding the Third Proportional to 19,510,966 and 42,018,662

Step by Step Solution

1. Step 1: Write the proportion equation
   19,510,966 : 42,018,662 = 42,018,662 : x
2. Step 2: Convert to fraction form
   19,510,966/42,018,662 = 42,018,662/x
3. Step 3: Cross multiply
   19,510,966x = 42,018,662 × 42,018,662
4. Step 4: Simplify right side
   19,510,966x = 1,765,567,956,270,244
5. Step 5: Solve for x
   x = 1,765,567,956,270,244/19,510,966
6. Step 6: Final answer
   x = 90,491,058.02