Finding the Third Proportional to 16,638,942.50 and 36,340,030

Step by Step Solution

1. Step 1: Write the proportion equation
   16,638,942.50 : 36,340,030 = 36,340,030 : x
2. Step 2: Convert to fraction form
   16,638,942.50/36,340,030 = 36,340,030/x
3. Step 3: Cross multiply
   16,638,942.50x = 36,340,030 × 36,340,030
4. Step 4: Simplify right side
   16,638,942.50x = 1,320,597,780,400,900
5. Step 5: Solve for x
   x = 1,320,597,780,400,900/16,638,942.50
6. Step 6: Final answer
   x = 79,367,891.34