Finding the Third Proportional to 78,810 and 108,373

Step by Step Solution

1. Step 1: Write the proportion equation
   78,810 : 108,373 = 108,373 : x
2. Step 2: Convert to fraction form
   78,810/108,373 = 108,373/x
3. Step 3: Cross multiply
   78,810x = 108,373 × 108,373
4. Step 4: Simplify right side
   78,810x = 11,744,707,129
5. Step 5: Solve for x
   x = 11,744,707,129/78,810
6. Step 6: Final answer
   x = 149,025.59