Finding the Third Proportional to 105,018,558,698 and 225,965,121,054

Step by Step Solution

1. Step 1: Write the proportion equation
   105,018,558,698 : 225,965,121,054 = 225,965,121,054 : x
2. Step 2: Convert to fraction form
   105,018,558,698/225,965,121,054 = 225,965,121,054/x
3. Step 3: Cross multiply
   105,018,558,698x = 225,965,121,054 × 225,965,121,054
4. Step 4: Simplify right side
   105,018,558,698x = 51,060,235,932,948,878,065,664
5. Step 5: Solve for x
   x = 51,060,235,932,948,878,065,664/105,018,558,698
6. Step 6: Final answer
   x = 486,202,025,298.99