Finding the Third Proportional to 65,403 and 141,260

Step by Step Solution

1. Step 1: Write the proportion equation
   65,403 : 141,260 = 141,260 : x
2. Step 2: Convert to fraction form
   65,403/141,260 = 141,260/x
3. Step 3: Cross multiply
   65,403x = 141,260 × 141,260
4. Step 4: Simplify right side
   65,403x = 19,954,387,600
5. Step 5: Solve for x
   x = 19,954,387,600/65,403
6. Step 6: Final answer
   x = 305,098.96