Finding the Third Proportional to 88,105,624 and 188,965,512

Step by Step Solution

1. Step 1: Write the proportion equation
   88,105,624 : 188,965,512 = 188,965,512 : x
2. Step 2: Convert to fraction form
   88,105,624/188,965,512 = 188,965,512/x
3. Step 3: Cross multiply
   88,105,624x = 188,965,512 × 188,965,512
4. Step 4: Simplify right side
   88,105,624x = 35,707,964,725,422,144
5. Step 5: Solve for x
   x = 35,707,964,725,422,144/88,105,624
6. Step 6: Final answer
   x = 405,285,872.85