Finding the Third Proportional to 131,229 and 203,587.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,229 : 203,587.50 = 203,587.50 : x
2. Step 2: Convert to fraction form
   131,229/203,587.50 = 203,587.50/x
3. Step 3: Cross multiply
   131,229x = 203,587.50 × 203,587.50
4. Step 4: Simplify right side
   131,229x = 41,447,870,156.25
5. Step 5: Solve for x
   x = 41,447,870,156.25/131,229
6. Step 6: Final answer
   x = 315,843.83