Finding the Third Proportional to 65,194.88 and 142,845.75

Step by Step Solution

1. Step 1: Write the proportion equation
   65,194.88 : 142,845.75 = 142,845.75 : x
2. Step 2: Convert to fraction form
   65,194.88/142,845.75 = 142,845.75/x
3. Step 3: Cross multiply
   65,194.88x = 142,845.75 × 142,845.75
4. Step 4: Simplify right side
   65,194.88x = 20,404,908,293.06
5. Step 5: Solve for x
   x = 20,404,908,293.06/65,194.88
6. Step 6: Final answer
   x = 312,983.32