Finding the Third Proportional to 69,700 and 143,096

Step by Step Solution

1. Step 1: Write the proportion equation
   69,700 : 143,096 = 143,096 : x
2. Step 2: Convert to fraction form
   69,700/143,096 = 143,096/x
3. Step 3: Cross multiply
   69,700x = 143,096 × 143,096
4. Step 4: Simplify right side
   69,700x = 20,476,465,216
5. Step 5: Solve for x
   x = 20,476,465,216/69,700
6. Step 6: Final answer
   x = 293,779.99