Finding the Third Proportional to 70,687.69 and 153,819

Step by Step Solution

1. Step 1: Write the proportion equation
   70,687.69 : 153,819 = 153,819 : x
2. Step 2: Convert to fraction form
   70,687.69/153,819 = 153,819/x
3. Step 3: Cross multiply
   70,687.69x = 153,819 × 153,819
4. Step 4: Simplify right side
   70,687.69x = 23,660,284,761
5. Step 5: Solve for x
   x = 23,660,284,761/70,687.69
6. Step 6: Final answer
   x = 334,715.78