Finding the Third Proportional to 143,462.25 and 210,585.38

Step by Step Solution

1. Step 1: Write the proportion equation
   143,462.25 : 210,585.38 = 210,585.38 : x
2. Step 2: Convert to fraction form
   143,462.25/210,585.38 = 210,585.38/x
3. Step 3: Cross multiply
   143,462.25x = 210,585.38 × 210,585.38
4. Step 4: Simplify right side
   143,462.25x = 44,346,200,163.89
5. Step 5: Solve for x
   x = 44,346,200,163.89/143,462.25
6. Step 6: Final answer
   x = 309,114.07