Finding the Third Proportional to 86,816,552 and 188,734,096

Step by Step Solution

1. Step 1: Write the proportion equation
   86,816,552 : 188,734,096 = 188,734,096 : x
2. Step 2: Convert to fraction form
   86,816,552/188,734,096 = 188,734,096/x
3. Step 3: Cross multiply
   86,816,552x = 188,734,096 × 188,734,096
4. Step 4: Simplify right side
   86,816,552x = 35,620,558,992,937,216
5. Step 5: Solve for x
   x = 35,620,558,992,937,216/86,816,552
6. Step 6: Final answer
   x = 410,296,863.59