Finding the Third Proportional to 130,300.50 and 206,491.50

Step by Step Solution

1. Step 1: Write the proportion equation
   130,300.50 : 206,491.50 = 206,491.50 : x
2. Step 2: Convert to fraction form
   130,300.50/206,491.50 = 206,491.50/x
3. Step 3: Cross multiply
   130,300.50x = 206,491.50 × 206,491.50
4. Step 4: Simplify right side
   130,300.50x = 42,638,739,572.25
5. Step 5: Solve for x
   x = 42,638,739,572.25/130,300.50
6. Step 6: Final answer
   x = 327,233.89