Finding the Third Proportional to 38,485,530 and 82,986,684

Step by Step Solution

1. Step 1: Write the proportion equation
   38,485,530 : 82,986,684 = 82,986,684 : x
2. Step 2: Convert to fraction form
   38,485,530/82,986,684 = 82,986,684/x
3. Step 3: Cross multiply
   38,485,530x = 82,986,684 × 82,986,684
4. Step 4: Simplify right side
   38,485,530x = 6,886,789,721,315,856
5. Step 5: Solve for x
   x = 6,886,789,721,315,856/38,485,530
6. Step 6: Final answer
   x = 178,944,910.50