Finding the Third Proportional to 13,131,590 and 20,978,014

Step by Step Solution

1. Step 1: Write the proportion equation
   13,131,590 : 20,978,014 = 20,978,014 : x
2. Step 2: Convert to fraction form
   13,131,590/20,978,014 = 20,978,014/x
3. Step 3: Cross multiply
   13,131,590x = 20,978,014 × 20,978,014
4. Step 4: Simplify right side
   13,131,590x = 440,077,071,384,196
5. Step 5: Solve for x
   x = 440,077,071,384,196/13,131,590
6. Step 6: Final answer
   x = 33,512,854.98