Finding the Third Proportional to 64,233,860,256 and 139,141,400,256

Step by Step Solution

1. Step 1: Write the proportion equation
   64,233,860,256 : 139,141,400,256 = 139,141,400,256 : x
2. Step 2: Convert to fraction form
   64,233,860,256/139,141,400,256 = 139,141,400,256/x
3. Step 3: Cross multiply
   64,233,860,256x = 139,141,400,256 × 139,141,400,256
4. Step 4: Simplify right side
   64,233,860,256x = 19,360,329,265,200,395,976,704
5. Step 5: Solve for x
   x = 19,360,329,265,200,395,976,704/64,233,860,256
6. Step 6: Final answer
   x = 301,403,795,257.53