Finding the Third Proportional to 10,399,567 and 23,189,039

Step by Step Solution

1. Step 1: Write the proportion equation
   10,399,567 : 23,189,039 = 23,189,039 : x
2. Step 2: Convert to fraction form
   10,399,567/23,189,039 = 23,189,039/x
3. Step 3: Cross multiply
   10,399,567x = 23,189,039 × 23,189,039
4. Step 4: Simplify right side
   10,399,567x = 537,731,529,743,521
5. Step 5: Solve for x
   x = 537,731,529,743,521/10,399,567
6. Step 6: Final answer
   x = 51,707,107.59