Finding the Third Proportional to 130,303.50 and 206,494.50

Step by Step Solution

1. Step 1: Write the proportion equation
   130,303.50 : 206,494.50 = 206,494.50 : x
2. Step 2: Convert to fraction form
   130,303.50/206,494.50 = 206,494.50/x
3. Step 3: Cross multiply
   130,303.50x = 206,494.50 × 206,494.50
4. Step 4: Simplify right side
   130,303.50x = 42,639,978,530.25
5. Step 5: Solve for x
   x = 42,639,978,530.25/130,303.50
6. Step 6: Final answer
   x = 327,235.86