Finding the Third Proportional to 13,131,596 and 20,978,023

Step by Step Solution

1. Step 1: Write the proportion equation
   13,131,596 : 20,978,023 = 20,978,023 : x
2. Step 2: Convert to fraction form
   13,131,596/20,978,023 = 20,978,023/x
3. Step 3: Cross multiply
   13,131,596x = 20,978,023 × 20,978,023
4. Step 4: Simplify right side
   13,131,596x = 440,077,448,988,529
5. Step 5: Solve for x
   x = 440,077,448,988,529/13,131,596
6. Step 6: Final answer
   x = 33,512,868.43