Finding the Third Proportional to 12,353,056 and 17,820,912

Step by Step Solution

1. Step 1: Write the proportion equation
   12,353,056 : 17,820,912 = 17,820,912 : x
2. Step 2: Convert to fraction form
   12,353,056/17,820,912 = 17,820,912/x
3. Step 3: Cross multiply
   12,353,056x = 17,820,912 × 17,820,912
4. Step 4: Simplify right side
   12,353,056x = 317,584,904,511,744
5. Step 5: Solve for x
   x = 317,584,904,511,744/12,353,056
6. Step 6: Final answer
   x = 25,709,015.20