Finding the Third Proportional to 135,667.50 and 295,443

Step by Step Solution

1. Step 1: Write the proportion equation
   135,667.50 : 295,443 = 295,443 : x
2. Step 2: Convert to fraction form
   135,667.50/295,443 = 295,443/x
3. Step 3: Cross multiply
   135,667.50x = 295,443 × 295,443
4. Step 4: Simplify right side
   135,667.50x = 87,286,566,249
5. Step 5: Solve for x
   x = 87,286,566,249/135,667.50
6. Step 6: Final answer
   x = 643,385.97