Finding the Third Proportional to 10,939,780 and 23,978,912

Step by Step Solution

1. Step 1: Write the proportion equation
   10,939,780 : 23,978,912 = 23,978,912 : x
2. Step 2: Convert to fraction form
   10,939,780/23,978,912 = 23,978,912/x
3. Step 3: Cross multiply
   10,939,780x = 23,978,912 × 23,978,912
4. Step 4: Simplify right side
   10,939,780x = 574,988,220,703,744
5. Step 5: Solve for x
   x = 574,988,220,703,744/10,939,780
6. Step 6: Final answer
   x = 52,559,395.23