Finding the Third Proportional to 102,044.81 and 215,434.69

Step by Step Solution

1. Step 1: Write the proportion equation
   102,044.81 : 215,434.69 = 215,434.69 : x
2. Step 2: Convert to fraction form
   102,044.81/215,434.69 = 215,434.69/x
3. Step 3: Cross multiply
   102,044.81x = 215,434.69 × 215,434.69
4. Step 4: Simplify right side
   102,044.81x = 46,412,104,578.22
5. Step 5: Solve for x
   x = 46,412,104,578.22/102,044.81
6. Step 6: Final answer
   x = 454,820.81