Finding the Third Proportional to 16,245,040 and 21,563,826

Step by Step Solution

1. Step 1: Write the proportion equation
   16,245,040 : 21,563,826 = 21,563,826 : x
2. Step 2: Convert to fraction form
   16,245,040/21,563,826 = 21,563,826/x
3. Step 3: Cross multiply
   16,245,040x = 21,563,826 × 21,563,826
4. Step 4: Simplify right side
   16,245,040x = 464,998,591,758,276
5. Step 5: Solve for x
   x = 464,998,591,758,276/16,245,040
6. Step 6: Final answer
   x = 28,624,034.89