Finding the Third Proportional to 9,872,022 and 21,634,860

Step by Step Solution

1. Step 1: Write the proportion equation
   9,872,022 : 21,634,860 = 21,634,860 : x
2. Step 2: Convert to fraction form
   9,872,022/21,634,860 = 21,634,860/x
3. Step 3: Cross multiply
   9,872,022x = 21,634,860 × 21,634,860
4. Step 4: Simplify right side
   9,872,022x = 468,067,167,219,600
5. Step 5: Solve for x
   x = 468,067,167,219,600/9,872,022
6. Step 6: Final answer
   x = 47,413,505.28