Finding the Third Proportional to 88,105,628 and 188,965,520

Step by Step Solution

1. Step 1: Write the proportion equation
   88,105,628 : 188,965,520 = 188,965,520 : x
2. Step 2: Convert to fraction form
   88,105,628/188,965,520 = 188,965,520/x
3. Step 3: Cross multiply
   88,105,628x = 188,965,520 × 188,965,520
4. Step 4: Simplify right side
   88,105,628x = 35,707,967,748,870,400
5. Step 5: Solve for x
   x = 35,707,967,748,870,400/88,105,628
6. Step 6: Final answer
   x = 405,285,888.76