Finding the Third Proportional to 39,590,982 and 82,801,905

Step by Step Solution

1. Step 1: Write the proportion equation
   39,590,982 : 82,801,905 = 82,801,905 : x
2. Step 2: Convert to fraction form
   39,590,982/82,801,905 = 82,801,905/x
3. Step 3: Cross multiply
   39,590,982x = 82,801,905 × 82,801,905
4. Step 4: Simplify right side
   39,590,982x = 6,856,155,471,629,025
5. Step 5: Solve for x
   x = 6,856,155,471,629,025/39,590,982
6. Step 6: Final answer
   x = 173,174,675.78