Finding the Third Proportional to 191,890 and 301,004.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,890 : 301,004.50 = 301,004.50 : x
2. Step 2: Convert to fraction form
   191,890/301,004.50 = 301,004.50/x
3. Step 3: Cross multiply
   191,890x = 301,004.50 × 301,004.50
4. Step 4: Simplify right side
   191,890x = 90,603,709,020.25
5. Step 5: Solve for x
   x = 90,603,709,020.25/191,890
6. Step 6: Final answer
   x = 472,164.83