Finding the Third Proportional to 12,120,018 and 17,006,822

Step by Step Solution

1. Step 1: Write the proportion equation
   12,120,018 : 17,006,822 = 17,006,822 : x
2. Step 2: Convert to fraction form
   12,120,018/17,006,822 = 17,006,822/x
3. Step 3: Cross multiply
   12,120,018x = 17,006,822 × 17,006,822
4. Step 4: Simplify right side
   12,120,018x = 289,231,994,539,684
5. Step 5: Solve for x
   x = 289,231,994,539,684/12,120,018
6. Step 6: Final answer
   x = 23,863,990.51