Finding the Third Proportional to 121,807.50 and 179,019

Step by Step Solution

1. Step 1: Write the proportion equation
   121,807.50 : 179,019 = 179,019 : x
2. Step 2: Convert to fraction form
   121,807.50/179,019 = 179,019/x
3. Step 3: Cross multiply
   121,807.50x = 179,019 × 179,019
4. Step 4: Simplify right side
   121,807.50x = 32,047,802,361
5. Step 5: Solve for x
   x = 32,047,802,361/121,807.50
6. Step 6: Final answer
   x = 263,102.05