Finding the Third Proportional to 109,870,139,349 and 235,637,391,705

Step by Step Solution

1. Step 1: Write the proportion equation
   109,870,139,349 : 235,637,391,705 = 235,637,391,705 : x
2. Step 2: Convert to fraction form
   109,870,139,349/235,637,391,705 = 235,637,391,705/x
3. Step 3: Cross multiply
   109,870,139,349x = 235,637,391,705 × 235,637,391,705
4. Step 4: Simplify right side
   109,870,139,349x = 55,524,980,369,535,606,456,320
5. Step 5: Solve for x
   x = 55,524,980,369,535,606,456,320/109,870,139,349
6. Step 6: Final answer
   x = 505,369,163,073.16