Finding the Third Proportional to 78,916.50 and 106,326

Step by Step Solution

1. Step 1: Write the proportion equation
   78,916.50 : 106,326 = 106,326 : x
2. Step 2: Convert to fraction form
   78,916.50/106,326 = 106,326/x
3. Step 3: Cross multiply
   78,916.50x = 106,326 × 106,326
4. Step 4: Simplify right side
   78,916.50x = 11,305,218,276
5. Step 5: Solve for x
   x = 11,305,218,276/78,916.50
6. Step 6: Final answer
   x = 143,255.44