Finding the Third Proportional to 39,590,986 and 82,801,913

Step by Step Solution

1. Step 1: Write the proportion equation
   39,590,986 : 82,801,913 = 82,801,913 : x
2. Step 2: Convert to fraction form
   39,590,986/82,801,913 = 82,801,913/x
3. Step 3: Cross multiply
   39,590,986x = 82,801,913 × 82,801,913
4. Step 4: Simplify right side
   39,590,986x = 6,856,156,796,459,569
5. Step 5: Solve for x
   x = 6,856,156,796,459,569/39,590,986
6. Step 6: Final answer
   x = 173,174,691.75