Finding the Third Proportional to 67,257.84 and 99,588.23

Step by Step Solution

1. Step 1: Write the proportion equation
   67,257.84 : 99,588.23 = 99,588.23 : x
2. Step 2: Convert to fraction form
   67,257.84/99,588.23 = 99,588.23/x
3. Step 3: Cross multiply
   67,257.84x = 99,588.23 × 99,588.23
4. Step 4: Simplify right side
   67,257.84x = 9,917,816,425.93
5. Step 5: Solve for x
   x = 9,917,816,425.93/67,257.84
6. Step 6: Final answer
   x = 147,459.63