Finding the Third Proportional to 19,802.81 and 43,979.63

Step by Step Solution

1. Step 1: Write the proportion equation
   19,802.81 : 43,979.63 = 43,979.63 : x
2. Step 2: Convert to fraction form
   19,802.81/43,979.63 = 43,979.63/x
3. Step 3: Cross multiply
   19,802.81x = 43,979.63 × 43,979.63
4. Step 4: Simplify right side
   19,802.81x = 1,934,207,415.14
5. Step 5: Solve for x
   x = 1,934,207,415.14/19,802.81
6. Step 6: Final answer
   x = 97,673.37