Finding the Third Proportional to 8,858,916 and 13,467,573

Step by Step Solution

1. Step 1: Write the proportion equation
   8,858,916 : 13,467,573 = 13,467,573 : x
2. Step 2: Convert to fraction form
   8,858,916/13,467,573 = 13,467,573/x
3. Step 3: Cross multiply
   8,858,916x = 13,467,573 × 13,467,573
4. Step 4: Simplify right side
   8,858,916x = 181,375,522,510,329
5. Step 5: Solve for x
   x = 181,375,522,510,329/8,858,916
6. Step 6: Final answer
   x = 20,473,782.85