Finding the Third Proportional to 78,624.50 and 104,751

Step by Step Solution

1. Step 1: Write the proportion equation
   78,624.50 : 104,751 = 104,751 : x
2. Step 2: Convert to fraction form
   78,624.50/104,751 = 104,751/x
3. Step 3: Cross multiply
   78,624.50x = 104,751 × 104,751
4. Step 4: Simplify right side
   78,624.50x = 10,972,772,001
5. Step 5: Solve for x
   x = 10,972,772,001/78,624.50
6. Step 6: Final answer
   x = 139,559.20