Finding the Third Proportional to 65,455 and 141,354

Step by Step Solution

1. Step 1: Write the proportion equation
   65,455 : 141,354 = 141,354 : x
2. Step 2: Convert to fraction form
   65,455/141,354 = 141,354/x
3. Step 3: Cross multiply
   65,455x = 141,354 × 141,354
4. Step 4: Simplify right side
   65,455x = 19,980,953,316
5. Step 5: Solve for x
   x = 19,980,953,316/65,455
6. Step 6: Final answer
   x = 305,262.44