Finding the Third Proportional to 65,458.50 and 141,363

Step by Step Solution

1. Step 1: Write the proportion equation
   65,458.50 : 141,363 = 141,363 : x
2. Step 2: Convert to fraction form
   65,458.50/141,363 = 141,363/x
3. Step 3: Cross multiply
   65,458.50x = 141,363 × 141,363
4. Step 4: Simplify right side
   65,458.50x = 19,983,497,769
5. Step 5: Solve for x
   x = 19,983,497,769/65,458.50
6. Step 6: Final answer
   x = 305,284.99