Finding the Third Proportional to 12,479,834,640 and 25,395,518,112

Step by Step Solution

1. Step 1: Write the proportion equation
   12,479,834,640 : 25,395,518,112 = 25,395,518,112 : x
2. Step 2: Convert to fraction form
   12,479,834,640/25,395,518,112 = 25,395,518,112/x
3. Step 3: Cross multiply
   12,479,834,640x = 25,395,518,112 × 25,395,518,112
4. Step 4: Simplify right side
   12,479,834,640x = 644,932,340,176,919,986,176
5. Step 5: Solve for x
   x = 644,932,340,176,919,986,176/12,479,834,640
6. Step 6: Final answer
   x = 51,677,955,580.42