Finding the Third Proportional to 11,143,899 and 16,664,616

Step by Step Solution

1. Step 1: Write the proportion equation
   11,143,899 : 16,664,616 = 16,664,616 : x
2. Step 2: Convert to fraction form
   11,143,899/16,664,616 = 16,664,616/x
3. Step 3: Cross multiply
   11,143,899x = 16,664,616 × 16,664,616
4. Step 4: Simplify right side
   11,143,899x = 277,709,426,427,456
5. Step 5: Solve for x
   x = 277,709,426,427,456/11,143,899
6. Step 6: Final answer
   x = 24,920,310.78