Finding the Third Proportional to 65,019.38 and 141,945.75

Step by Step Solution

1. Step 1: Write the proportion equation
   65,019.38 : 141,945.75 = 141,945.75 : x
2. Step 2: Convert to fraction form
   65,019.38/141,945.75 = 141,945.75/x
3. Step 3: Cross multiply
   65,019.38x = 141,945.75 × 141,945.75
4. Step 4: Simplify right side
   65,019.38x = 20,148,595,943.06
5. Step 5: Solve for x
   x = 20,148,595,943.06/65,019.38
6. Step 6: Final answer
   x = 309,886.03