Finding the Third Proportional to 16,519,876.50 and 35,431,170

Step by Step Solution

1. Step 1: Write the proportion equation
   16,519,876.50 : 35,431,170 = 35,431,170 : x
2. Step 2: Convert to fraction form
   16,519,876.50/35,431,170 = 35,431,170/x
3. Step 3: Cross multiply
   16,519,876.50x = 35,431,170 × 35,431,170
4. Step 4: Simplify right side
   16,519,876.50x = 1,255,367,807,568,900
5. Step 5: Solve for x
   x = 1,255,367,807,568,900/16,519,876.50
6. Step 6: Final answer
   x = 75,991,355.48