Finding the Third Proportional to 149,050.50 and 221,550

Step by Step Solution

1. Step 1: Write the proportion equation
   149,050.50 : 221,550 = 221,550 : x
2. Step 2: Convert to fraction form
   149,050.50/221,550 = 221,550/x
3. Step 3: Cross multiply
   149,050.50x = 221,550 × 221,550
4. Step 4: Simplify right side
   149,050.50x = 49,084,402,500
5. Step 5: Solve for x
   x = 49,084,402,500/149,050.50
6. Step 6: Final answer
   x = 329,313.91