Finding the Third Proportional to 131,241 and 203,602.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,241 : 203,602.50 = 203,602.50 : x
2. Step 2: Convert to fraction form
   131,241/203,602.50 = 203,602.50/x
3. Step 3: Cross multiply
   131,241x = 203,602.50 × 203,602.50
4. Step 4: Simplify right side
   131,241x = 41,453,978,006.25
5. Step 5: Solve for x
   x = 41,453,978,006.25/131,241
6. Step 6: Final answer
   x = 315,861.49