Finding the Third Proportional to 4,123,465 and 8,529,782

Step by Step Solution

1. Step 1: Write the proportion equation
   4,123,465 : 8,529,782 = 8,529,782 : x
2. Step 2: Convert to fraction form
   4,123,465/8,529,782 = 8,529,782/x
3. Step 3: Cross multiply
   4,123,465x = 8,529,782 × 8,529,782
4. Step 4: Simplify right side
   4,123,465x = 72,757,180,967,524
5. Step 5: Solve for x
   x = 72,757,180,967,524/4,123,465
6. Step 6: Final answer
   x = 17,644,670.43