Finding the Third Proportional to 150,050 and 216,435

Step by Step Solution

1. Step 1: Write the proportion equation
   150,050 : 216,435 = 216,435 : x
2. Step 2: Convert to fraction form
   150,050/216,435 = 216,435/x
3. Step 3: Cross multiply
   150,050x = 216,435 × 216,435
4. Step 4: Simplify right side
   150,050x = 46,844,109,225
5. Step 5: Solve for x
   x = 46,844,109,225/150,050
6. Step 6: Final answer
   x = 312,190.00