Finding the Third Proportional to 108,302 and 260,910

Step by Step Solution

1. Step 1: Write the proportion equation
   108,302 : 260,910 = 260,910 : x
2. Step 2: Convert to fraction form
   108,302/260,910 = 260,910/x
3. Step 3: Cross multiply
   108,302x = 260,910 × 260,910
4. Step 4: Simplify right side
   108,302x = 68,074,028,100
5. Step 5: Solve for x
   x = 68,074,028,100/108,302
6. Step 6: Final answer
   x = 628,557.44