Finding the Third Proportional to 14,608.69 and 31,780.69

Step by Step Solution

1. Step 1: Write the proportion equation
   14,608.69 : 31,780.69 = 31,780.69 : x
2. Step 2: Convert to fraction form
   14,608.69/31,780.69 = 31,780.69/x
3. Step 3: Cross multiply
   14,608.69x = 31,780.69 × 31,780.69
4. Step 4: Simplify right side
   14,608.69x = 1,010,012,097.97
5. Step 5: Solve for x
   x = 1,010,012,097.97/14,608.69
6. Step 6: Final answer
   x = 69,137.77