Finding the Third Proportional to 12,171,668 and 25,701,440

Step by Step Solution

1. Step 1: Write the proportion equation
   12,171,668 : 25,701,440 = 25,701,440 : x
2. Step 2: Convert to fraction form
   12,171,668/25,701,440 = 25,701,440/x
3. Step 3: Cross multiply
   12,171,668x = 25,701,440 × 25,701,440
4. Step 4: Simplify right side
   12,171,668x = 660,564,018,073,600
5. Step 5: Solve for x
   x = 660,564,018,073,600/12,171,668
6. Step 6: Final answer
   x = 54,270,624.05