Finding the Third Proportional to 2,912,307 and 4,558,593

Step by Step Solution

1. Step 1: Write the proportion equation
   2,912,307 : 4,558,593 = 4,558,593 : x
2. Step 2: Convert to fraction form
   2,912,307/4,558,593 = 4,558,593/x
3. Step 3: Cross multiply
   2,912,307x = 4,558,593 × 4,558,593
4. Step 4: Simplify right side
   2,912,307x = 20,780,770,139,649
5. Step 5: Solve for x
   x = 20,780,770,139,649/2,912,307
6. Step 6: Final answer
   x = 7,135,501.22