Finding the Third Proportional to 79,123.50 and 189,087.75

Step by Step Solution

1. Step 1: Write the proportion equation
   79,123.50 : 189,087.75 = 189,087.75 : x
2. Step 2: Convert to fraction form
   79,123.50/189,087.75 = 189,087.75/x
3. Step 3: Cross multiply
   79,123.50x = 189,087.75 × 189,087.75
4. Step 4: Simplify right side
   79,123.50x = 35,754,177,200.06
5. Step 5: Solve for x
   x = 35,754,177,200.06/79,123.50
6. Step 6: Final answer
   x = 451,878.10