Finding the Third Proportional to 65,642.63 and 144,002.25

Step by Step Solution

1. Step 1: Write the proportion equation
   65,642.63 : 144,002.25 = 144,002.25 : x
2. Step 2: Convert to fraction form
   65,642.63/144,002.25 = 144,002.25/x
3. Step 3: Cross multiply
   65,642.63x = 144,002.25 × 144,002.25
4. Step 4: Simplify right side
   65,642.63x = 20,736,648,005.06
5. Step 5: Solve for x
   x = 20,736,648,005.06/65,642.63
6. Step 6: Final answer
   x = 315,902.17