Finding the Third Proportional to 130,668 and 195,490.50

Step by Step Solution

1. Step 1: Write the proportion equation
   130,668 : 195,490.50 = 195,490.50 : x
2. Step 2: Convert to fraction form
   130,668/195,490.50 = 195,490.50/x
3. Step 3: Cross multiply
   130,668x = 195,490.50 × 195,490.50
4. Step 4: Simplify right side
   130,668x = 38,216,535,590.25
5. Step 5: Solve for x
   x = 38,216,535,590.25/130,668
6. Step 6: Final answer
   x = 292,470.50