Finding the Third Proportional to 9,046.69 and 19,640.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,046.69 : 19,640.81 = 19,640.81 : x
2. Step 2: Convert to fraction form
   9,046.69/19,640.81 = 19,640.81/x
3. Step 3: Cross multiply
   9,046.69x = 19,640.81 × 19,640.81
4. Step 4: Simplify right side
   9,046.69x = 385,761,515.66
5. Step 5: Solve for x
   x = 385,761,515.66/9,046.69
6. Step 6: Final answer
   x = 42,641.19