Finding the Third Proportional to 4,296,543 and 9,359,991

Step by Step Solution

1. Step 1: Write the proportion equation
   4,296,543 : 9,359,991 = 9,359,991 : x
2. Step 2: Convert to fraction form
   4,296,543/9,359,991 = 9,359,991/x
3. Step 3: Cross multiply
   4,296,543x = 9,359,991 × 9,359,991
4. Step 4: Simplify right side
   4,296,543x = 87,609,431,520,081
5. Step 5: Solve for x
   x = 87,609,431,520,081/4,296,543
6. Step 6: Final answer
   x = 20,390,679.56