Finding the Third Proportional to 39,591,072 and 82,802,048

Step by Step Solution

1. Step 1: Write the proportion equation
   39,591,072 : 82,802,048 = 82,802,048 : x
2. Step 2: Convert to fraction form
   39,591,072/82,802,048 = 82,802,048/x
3. Step 3: Cross multiply
   39,591,072x = 82,802,048 × 82,802,048
4. Step 4: Simplify right side
   39,591,072x = 6,856,179,152,994,304
5. Step 5: Solve for x
   x = 6,856,179,152,994,304/39,591,072
6. Step 6: Final answer
   x = 173,174,880.26