Finding the Third Proportional to 189,906.19 and 300,715.03

Step by Step Solution

1. Step 1: Write the proportion equation
   189,906.19 : 300,715.03 = 300,715.03 : x
2. Step 2: Convert to fraction form
   189,906.19/300,715.03 = 300,715.03/x
3. Step 3: Cross multiply
   189,906.19x = 300,715.03 × 300,715.03
4. Step 4: Simplify right side
   189,906.19x = 90,429,530,019.69
5. Step 5: Solve for x
   x = 90,429,530,019.69/189,906.19
6. Step 6: Final answer
   x = 476,180.01