Finding the Third Proportional to 130,929 and 200,196

Step by Step Solution

1. Step 1: Write the proportion equation
   130,929 : 200,196 = 200,196 : x
2. Step 2: Convert to fraction form
   130,929/200,196 = 200,196/x
3. Step 3: Cross multiply
   130,929x = 200,196 × 200,196
4. Step 4: Simplify right side
   130,929x = 40,078,438,416
5. Step 5: Solve for x
   x = 40,078,438,416/130,929
6. Step 6: Final answer
   x = 306,108.18