Finding the Third Proportional to 12,352,992 and 17,820,819

Step by Step Solution

1. Step 1: Write the proportion equation
   12,352,992 : 17,820,819 = 17,820,819 : x
2. Step 2: Convert to fraction form
   12,352,992/17,820,819 = 17,820,819/x
3. Step 3: Cross multiply
   12,352,992x = 17,820,819 × 17,820,819
4. Step 4: Simplify right side
   12,352,992x = 317,581,589,830,761
5. Step 5: Solve for x
   x = 317,581,589,830,761/12,352,992
6. Step 6: Final answer
   x = 25,708,880.07