Finding the Third Proportional to 115,429,838,211 and 248,231,470,152

Step by Step Solution

1. Step 1: Write the proportion equation
   115,429,838,211 : 248,231,470,152 = 248,231,470,152 : x
2. Step 2: Convert to fraction form
   115,429,838,211/248,231,470,152 = 248,231,470,152/x
3. Step 3: Cross multiply
   115,429,838,211x = 248,231,470,152 × 248,231,470,152
4. Step 4: Simplify right side
   115,429,838,211x = 61,618,862,773,823,269,240,832
5. Step 5: Solve for x
   x = 61,618,862,773,823,269,240,832/115,429,838,211
6. Step 6: Final answer
   x = 533,820,922,985.16