Finding the Third Proportional to 12,554,934 and 17,770,120

Step by Step Solution

1. Step 1: Write the proportion equation
   12,554,934 : 17,770,120 = 17,770,120 : x
2. Step 2: Convert to fraction form
   12,554,934/17,770,120 = 17,770,120/x
3. Step 3: Cross multiply
   12,554,934x = 17,770,120 × 17,770,120
4. Step 4: Simplify right side
   12,554,934x = 315,777,164,814,400
5. Step 5: Solve for x
   x = 315,777,164,814,400/12,554,934
6. Step 6: Final answer
   x = 25,151,638.78