Finding the Third Proportional to 39,591,738 and 82,803,364.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,591,738 : 82,803,364.50 = 82,803,364.50 : x
2. Step 2: Convert to fraction form
   39,591,738/82,803,364.50 = 82,803,364.50/x
3. Step 3: Cross multiply
   39,591,738x = 82,803,364.50 × 82,803,364.50
4. Step 4: Simplify right side
   39,591,738x = 6,856,397,172,519,860
5. Step 5: Solve for x
   x = 6,856,397,172,519,860/39,591,738
6. Step 6: Final answer
   x = 173,177,473.86