Finding the Third Proportional to 130,144.50 and 196,858.50

Step by Step Solution

1. Step 1: Write the proportion equation
   130,144.50 : 196,858.50 = 196,858.50 : x
2. Step 2: Convert to fraction form
   130,144.50/196,858.50 = 196,858.50/x
3. Step 3: Cross multiply
   130,144.50x = 196,858.50 × 196,858.50
4. Step 4: Simplify right side
   130,144.50x = 38,753,269,022.25
5. Step 5: Solve for x
   x = 38,753,269,022.25/130,144.50
6. Step 6: Final answer
   x = 297,771.09