Finding the Third Proportional to 4,123,440 and 8,529,732

Step by Step Solution

1. Step 1: Write the proportion equation
   4,123,440 : 8,529,732 = 8,529,732 : x
2. Step 2: Convert to fraction form
   4,123,440/8,529,732 = 8,529,732/x
3. Step 3: Cross multiply
   4,123,440x = 8,529,732 × 8,529,732
4. Step 4: Simplify right side
   4,123,440x = 72,756,327,991,824
5. Step 5: Solve for x
   x = 72,756,327,991,824/4,123,440
6. Step 6: Final answer
   x = 17,644,570.55