Finding the Third Proportional to 149,431.50 and 222,025.50

Step by Step Solution

1. Step 1: Write the proportion equation
   149,431.50 : 222,025.50 = 222,025.50 : x
2. Step 2: Convert to fraction form
   149,431.50/222,025.50 = 222,025.50/x
3. Step 3: Cross multiply
   149,431.50x = 222,025.50 × 222,025.50
4. Step 4: Simplify right side
   149,431.50x = 49,295,322,650.25
5. Step 5: Solve for x
   x = 49,295,322,650.25/149,431.50
6. Step 6: Final answer
   x = 329,885.75