Finding the Third Proportional to 92,395.50 and 128,730

Step by Step Solution

1. Step 1: Write the proportion equation
   92,395.50 : 128,730 = 128,730 : x
2. Step 2: Convert to fraction form
   92,395.50/128,730 = 128,730/x
3. Step 3: Cross multiply
   92,395.50x = 128,730 × 128,730
4. Step 4: Simplify right side
   92,395.50x = 16,571,412,900
5. Step 5: Solve for x
   x = 16,571,412,900/92,395.50
6. Step 6: Final answer
   x = 179,353.03