Finding the Third Proportional to 86,656,427,956 and 188,696,928,696

Step by Step Solution

1. Step 1: Write the proportion equation
   86,656,427,956 : 188,696,928,696 = 188,696,928,696 : x
2. Step 2: Convert to fraction form
   86,656,427,956/188,696,928,696 = 188,696,928,696/x
3. Step 3: Cross multiply
   86,656,427,956x = 188,696,928,696 × 188,696,928,696
4. Step 4: Simplify right side
   86,656,427,956x = 35,606,530,899,303,307,673,600
5. Step 5: Solve for x
   x = 35,606,530,899,303,307,673,600/86,656,427,956
6. Step 6: Final answer
   x = 410,893,129,790.47