Finding the Third Proportional to 4,123,458 and 8,529,768

Step by Step Solution

1. Step 1: Write the proportion equation
   4,123,458 : 8,529,768 = 8,529,768 : x
2. Step 2: Convert to fraction form
   4,123,458/8,529,768 = 8,529,768/x
3. Step 3: Cross multiply
   4,123,458x = 8,529,768 × 8,529,768
4. Step 4: Simplify right side
   4,123,458x = 72,756,942,133,824
5. Step 5: Solve for x
   x = 72,756,942,133,824/4,123,458
6. Step 6: Final answer
   x = 17,644,642.47