Finding the Third Proportional to 8,391,570 and 12,958,052

Step by Step Solution

1. Step 1: Write the proportion equation
   8,391,570 : 12,958,052 = 12,958,052 : x
2. Step 2: Convert to fraction form
   8,391,570/12,958,052 = 12,958,052/x
3. Step 3: Cross multiply
   8,391,570x = 12,958,052 × 12,958,052
4. Step 4: Simplify right side
   8,391,570x = 167,911,111,634,704
5. Step 5: Solve for x
   x = 167,911,111,634,704/8,391,570
6. Step 6: Final answer
   x = 20,009,499.01