Finding the Third Proportional to 130,918 and 200,182

Step by Step Solution

1. Step 1: Write the proportion equation
   130,918 : 200,182 = 200,182 : x
2. Step 2: Convert to fraction form
   130,918/200,182 = 200,182/x
3. Step 3: Cross multiply
   130,918x = 200,182 × 200,182
4. Step 4: Simplify right side
   130,918x = 40,072,833,124
5. Step 5: Solve for x
   x = 40,072,833,124/130,918
6. Step 6: Final answer
   x = 306,091.09