Finding the Third Proportional to 131,830 and 204,300

Step by Step Solution

1. Step 1: Write the proportion equation
   131,830 : 204,300 = 204,300 : x
2. Step 2: Convert to fraction form
   131,830/204,300 = 204,300/x
3. Step 3: Cross multiply
   131,830x = 204,300 × 204,300
4. Step 4: Simplify right side
   131,830x = 41,738,490,000
5. Step 5: Solve for x
   x = 41,738,490,000/131,830
6. Step 6: Final answer
   x = 316,608.44