Finding the Third Proportional to 65,853.50 and 142,237

Step by Step Solution

1. Step 1: Write the proportion equation
   65,853.50 : 142,237 = 142,237 : x
2. Step 2: Convert to fraction form
   65,853.50/142,237 = 142,237/x
3. Step 3: Cross multiply
   65,853.50x = 142,237 × 142,237
4. Step 4: Simplify right side
   65,853.50x = 20,231,364,169
5. Step 5: Solve for x
   x = 20,231,364,169/65,853.50
6. Step 6: Final answer
   x = 307,217.75