Finding the Third Proportional to 8,326,531.69 and 12,489,796.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,326,531.69 : 12,489,796.69 = 12,489,796.69 : x
2. Step 2: Convert to fraction form
   8,326,531.69/12,489,796.69 = 12,489,796.69/x
3. Step 3: Cross multiply
   8,326,531.69x = 12,489,796.69 × 12,489,796.69
4. Step 4: Simplify right side
   8,326,531.69x = 155,995,021,295,085.97
5. Step 5: Solve for x
   x = 155,995,021,295,085.97/8,326,531.69
6. Step 6: Final answer
   x = 18,734,693.77