Finding the Third Proportional to 149,454 and 222,063.50

Step by Step Solution

1. Step 1: Write the proportion equation
   149,454 : 222,063.50 = 222,063.50 : x
2. Step 2: Convert to fraction form
   149,454/222,063.50 = 222,063.50/x
3. Step 3: Cross multiply
   149,454x = 222,063.50 × 222,063.50
4. Step 4: Simplify right side
   149,454x = 49,312,198,032.25
5. Step 5: Solve for x
   x = 49,312,198,032.25/149,454
6. Step 6: Final answer
   x = 329,949.00