Finding the Third Proportional to 302,375,651,155 and 647,881,057,682

Step by Step Solution

1. Step 1: Write the proportion equation
   302,375,651,155 : 647,881,057,682 = 647,881,057,682 : x
2. Step 2: Convert to fraction form
   302,375,651,155/647,881,057,682 = 647,881,057,682/x
3. Step 3: Cross multiply
   302,375,651,155x = 647,881,057,682 × 647,881,057,682
4. Step 4: Simplify right side
   302,375,651,155x = 419,749,864,903,147,041,849,344
5. Step 5: Solve for x
   x = 419,749,864,903,147,041,849,344/302,375,651,155
6. Step 6: Final answer
   x = 1,388,173,496,443.27