Finding the Third Proportional to 12,554,739 and 17,769,834

Step by Step Solution

1. Step 1: Write the proportion equation
   12,554,739 : 17,769,834 = 17,769,834 : x
2. Step 2: Convert to fraction form
   12,554,739/17,769,834 = 17,769,834/x
3. Step 3: Cross multiply
   12,554,739x = 17,769,834 × 17,769,834
4. Step 4: Simplify right side
   12,554,739x = 315,767,000,387,556
5. Step 5: Solve for x
   x = 315,767,000,387,556/12,554,739
6. Step 6: Final answer
   x = 25,151,219.82