Finding the Third Proportional to 8,391,567.88 and 12,958,049.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,391,567.88 : 12,958,049.25 = 12,958,049.25 : x
2. Step 2: Convert to fraction form
   8,391,567.88/12,958,049.25 = 12,958,049.25/x
3. Step 3: Cross multiply
   8,391,567.88x = 12,958,049.25 × 12,958,049.25
4. Step 4: Simplify right side
   8,391,567.88x = 167,911,040,365,425.56
5. Step 5: Solve for x
   x = 167,911,040,365,425.56/8,391,567.88
6. Step 6: Final answer
   x = 20,009,495.59