Finding the Third Proportional to 130,086 and 206,124.75

Step by Step Solution

1. Step 1: Write the proportion equation
   130,086 : 206,124.75 = 206,124.75 : x
2. Step 2: Convert to fraction form
   130,086/206,124.75 = 206,124.75/x
3. Step 3: Cross multiply
   130,086x = 206,124.75 × 206,124.75
4. Step 4: Simplify right side
   130,086x = 42,487,412,562.56
5. Step 5: Solve for x
   x = 42,487,412,562.56/130,086
6. Step 6: Final answer
   x = 326,610.19