Finding the Third Proportional to 4,082,436 and 8,788,896

Step by Step Solution

1. Step 1: Write the proportion equation
   4,082,436 : 8,788,896 = 8,788,896 : x
2. Step 2: Convert to fraction form
   4,082,436/8,788,896 = 8,788,896/x
3. Step 3: Cross multiply
   4,082,436x = 8,788,896 × 8,788,896
4. Step 4: Simplify right side
   4,082,436x = 77,244,692,898,816
5. Step 5: Solve for x
   x = 77,244,692,898,816/4,082,436
6. Step 6: Final answer
   x = 18,921,225.68