Finding the Third Proportional to 4,323,512 and 9,385,456

Step by Step Solution

1. Step 1: Write the proportion equation
   4,323,512 : 9,385,456 = 9,385,456 : x
2. Step 2: Convert to fraction form
   4,323,512/9,385,456 = 9,385,456/x
3. Step 3: Cross multiply
   4,323,512x = 9,385,456 × 9,385,456
4. Step 4: Simplify right side
   4,323,512x = 88,086,784,327,936
5. Step 5: Solve for x
   x = 88,086,784,327,936/4,323,512
6. Step 6: Final answer
   x = 20,373,896.11