Finding the Third Proportional to 150,664.50 and 221,076

Step by Step Solution

1. Step 1: Write the proportion equation
   150,664.50 : 221,076 = 221,076 : x
2. Step 2: Convert to fraction form
   150,664.50/221,076 = 221,076/x
3. Step 3: Cross multiply
   150,664.50x = 221,076 × 221,076
4. Step 4: Simplify right side
   150,664.50x = 48,874,597,776
5. Step 5: Solve for x
   x = 48,874,597,776/150,664.50
6. Step 6: Final answer
   x = 324,393.59