Finding the Third Proportional to 131,899 and 204,541.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,899 : 204,541.50 = 204,541.50 : x
2. Step 2: Convert to fraction form
   131,899/204,541.50 = 204,541.50/x
3. Step 3: Cross multiply
   131,899x = 204,541.50 × 204,541.50
4. Step 4: Simplify right side
   131,899x = 41,837,225,222.25
5. Step 5: Solve for x
   x = 41,837,225,222.25/131,899
6. Step 6: Final answer
   x = 317,191.38