Finding the Third Proportional to 65,039.63 and 141,986.25

Step by Step Solution

1. Step 1: Write the proportion equation
   65,039.63 : 141,986.25 = 141,986.25 : x
2. Step 2: Convert to fraction form
   65,039.63/141,986.25 = 141,986.25/x
3. Step 3: Cross multiply
   65,039.63x = 141,986.25 × 141,986.25
4. Step 4: Simplify right side
   65,039.63x = 20,160,095,189.06
5. Step 5: Solve for x
   x = 20,160,095,189.06/65,039.63
6. Step 6: Final answer
   x = 309,966.35