Finding the Third Proportional to 115,429,838,208 and 248,231,470,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   115,429,838,208 : 248,231,470,145.50 = 248,231,470,145.50 : x
2. Step 2: Convert to fraction form
   115,429,838,208/248,231,470,145.50 = 248,231,470,145.50/x
3. Step 3: Cross multiply
   115,429,838,208x = 248,231,470,145.50 × 248,231,470,145.50
4. Step 4: Simplify right side
   115,429,838,208x = 61,618,862,770,596,255,629,312
5. Step 5: Solve for x
   x = 61,618,862,770,596,255,629,312/115,429,838,208
6. Step 6: Final answer
   x = 533,820,922,971.07