Finding the Third Proportional to 4,123,463 and 8,529,778

Step by Step Solution

1. Step 1: Write the proportion equation
   4,123,463 : 8,529,778 = 8,529,778 : x
2. Step 2: Convert to fraction form
   4,123,463/8,529,778 = 8,529,778/x
3. Step 3: Cross multiply
   4,123,463x = 8,529,778 × 8,529,778
4. Step 4: Simplify right side
   4,123,463x = 72,757,112,729,284
5. Step 5: Solve for x
   x = 72,757,112,729,284/4,123,463
6. Step 6: Final answer
   x = 17,644,662.44