Finding the Third Proportional to 4,343,296 and 9,359,780

Step by Step Solution

1. Step 1: Write the proportion equation
   4,343,296 : 9,359,780 = 9,359,780 : x
2. Step 2: Convert to fraction form
   4,343,296/9,359,780 = 9,359,780/x
3. Step 3: Cross multiply
   4,343,296x = 9,359,780 × 9,359,780
4. Step 4: Simplify right side
   4,343,296x = 87,605,481,648,400
5. Step 5: Solve for x
   x = 87,605,481,648,400/4,343,296
6. Step 6: Final answer
   x = 20,170,276.59