Finding the Third Proportional to 128,984.50 and 195,424

Step by Step Solution

1. Step 1: Write the proportion equation
   128,984.50 : 195,424 = 195,424 : x
2. Step 2: Convert to fraction form
   128,984.50/195,424 = 195,424/x
3. Step 3: Cross multiply
   128,984.50x = 195,424 × 195,424
4. Step 4: Simplify right side
   128,984.50x = 38,190,539,776
5. Step 5: Solve for x
   x = 38,190,539,776/128,984.50
6. Step 6: Final answer
   x = 296,086.27