Finding the Third Proportional to 86,656,427,954 and 188,696,928,694

Step by Step Solution

1. Step 1: Write the proportion equation
   86,656,427,954 : 188,696,928,694 = 188,696,928,694 : x
2. Step 2: Convert to fraction form
   86,656,427,954/188,696,928,694 = 188,696,928,694/x
3. Step 3: Cross multiply
   86,656,427,954x = 188,696,928,694 × 188,696,928,694
4. Step 4: Simplify right side
   86,656,427,954x = 35,606,530,898,548,521,697,280
5. Step 5: Solve for x
   x = 35,606,530,898,548,521,697,280/86,656,427,954
6. Step 6: Final answer
   x = 410,893,129,791.24