Finding the Third Proportional to 88,673 and 136,298

Step by Step Solution

1. Step 1: Write the proportion equation
   88,673 : 136,298 = 136,298 : x
2. Step 2: Convert to fraction form
   88,673/136,298 = 136,298/x
3. Step 3: Cross multiply
   88,673x = 136,298 × 136,298
4. Step 4: Simplify right side
   88,673x = 18,577,144,804
5. Step 5: Solve for x
   x = 18,577,144,804/88,673
6. Step 6: Final answer
   x = 209,501.71