Finding the Third Proportional to 173,155 and 270,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,155 : 270,667.50 = 270,667.50 : x
2. Step 2: Convert to fraction form
   173,155/270,667.50 = 270,667.50/x
3. Step 3: Cross multiply
   173,155x = 270,667.50 × 270,667.50
4. Step 4: Simplify right side
   173,155x = 73,260,895,556.25
5. Step 5: Solve for x
   x = 73,260,895,556.25/173,155
6. Step 6: Final answer
   x = 423,094.31