Finding the Third Proportional to 82,729,868 and 181,870,982

Step by Step Solution

1. Step 1: Write the proportion equation
   82,729,868 : 181,870,982 = 181,870,982 : x
2. Step 2: Convert to fraction form
   82,729,868/181,870,982 = 181,870,982/x
3. Step 3: Cross multiply
   82,729,868x = 181,870,982 × 181,870,982
4. Step 4: Simplify right side
   82,729,868x = 33,077,054,093,644,324
5. Step 5: Solve for x
   x = 33,077,054,093,644,324/82,729,868
6. Step 6: Final answer
   x = 399,819,979.09