Finding the Third Proportional to 141,743 and 213,255.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,743 : 213,255.50 = 213,255.50 : x
2. Step 2: Convert to fraction form
   141,743/213,255.50 = 213,255.50/x
3. Step 3: Cross multiply
   141,743x = 213,255.50 × 213,255.50
4. Step 4: Simplify right side
   141,743x = 45,477,908,280.25
5. Step 5: Solve for x
   x = 45,477,908,280.25/141,743
6. Step 6: Final answer
   x = 320,847.65