Finding the Third Proportional to 102,731,264 and 213,965,568

Step by Step Solution

1. Step 1: Write the proportion equation
   102,731,264 : 213,965,568 = 213,965,568 : x
2. Step 2: Convert to fraction form
   102,731,264/213,965,568 = 213,965,568/x
3. Step 3: Cross multiply
   102,731,264x = 213,965,568 × 213,965,568
4. Step 4: Simplify right side
   102,731,264x = 45,781,264,289,562,624
5. Step 5: Solve for x
   x = 45,781,264,289,562,624/102,731,264
6. Step 6: Final answer
   x = 445,641,010.41