Finding the Third Proportional to 115,429,838,213 and 248,231,470,156

Step by Step Solution

1. Step 1: Write the proportion equation
   115,429,838,213 : 248,231,470,156 = 248,231,470,156 : x
2. Step 2: Convert to fraction form
   115,429,838,213/248,231,470,156 = 248,231,470,156/x
3. Step 3: Cross multiply
   115,429,838,213x = 248,231,470,156 × 248,231,470,156
4. Step 4: Simplify right side
   115,429,838,213x = 61,618,862,775,809,121,189,888
5. Step 5: Solve for x
   x = 61,618,862,775,809,121,189,888/115,429,838,213
6. Step 6: Final answer
   x = 533,820,922,993.11