Finding the Third Proportional to 8,399,323,379 and 17,996,695,540

Step by Step Solution

1. Step 1: Write the proportion equation
   8,399,323,379 : 17,996,695,540 = 17,996,695,540 : x
2. Step 2: Convert to fraction form
   8,399,323,379/17,996,695,540 = 17,996,695,540/x
3. Step 3: Cross multiply
   8,399,323,379x = 17,996,695,540 × 17,996,695,540
4. Step 4: Simplify right side
   8,399,323,379x = 323,881,050,359,455,875,072
5. Step 5: Solve for x
   x = 323,881,050,359,455,875,072/8,399,323,379
6. Step 6: Final answer
   x = 38,560,373,942.65