Finding the Third Proportional to 39,682,359 and 80,959,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,682,359 : 80,959,018.50 = 80,959,018.50 : x
2. Step 2: Convert to fraction form
   39,682,359/80,959,018.50 = 80,959,018.50/x
3. Step 3: Cross multiply
   39,682,359x = 80,959,018.50 × 80,959,018.50
4. Step 4: Simplify right side
   39,682,359x = 6,554,362,676,483,342
5. Step 5: Solve for x
   x = 6,554,362,676,483,342/39,682,359
6. Step 6: Final answer
   x = 165,170,691.50