Finding the Third Proportional to 172,181,944,872 and 242,364,462,238

Step by Step Solution

1. Step 1: Write the proportion equation
   172,181,944,872 : 242,364,462,238 = 242,364,462,238 : x
2. Step 2: Convert to fraction form
   172,181,944,872/242,364,462,238 = 242,364,462,238/x
3. Step 3: Cross multiply
   172,181,944,872x = 242,364,462,238 × 242,364,462,238
4. Step 4: Simplify right side
   172,181,944,872x = 58,740,532,555,914,925,834,240
5. Step 5: Solve for x
   x = 58,740,532,555,914,925,834,240/172,181,944,872
6. Step 6: Final answer
   x = 341,153,845,135.06