Finding the Third Proportional to 16,638,950 and 36,340,045

Step by Step Solution

1. Step 1: Write the proportion equation
   16,638,950 : 36,340,045 = 36,340,045 : x
2. Step 2: Convert to fraction form
   16,638,950/36,340,045 = 36,340,045/x
3. Step 3: Cross multiply
   16,638,950x = 36,340,045 × 36,340,045
4. Step 4: Simplify right side
   16,638,950x = 1,320,598,870,602,025
5. Step 5: Solve for x
   x = 1,320,598,870,602,025/16,638,950
6. Step 6: Final answer
   x = 79,367,921.09