Finding the Third Proportional to 150,034.50 and 212,291.50

Step by Step Solution

1. Step 1: Write the proportion equation
   150,034.50 : 212,291.50 = 212,291.50 : x
2. Step 2: Convert to fraction form
   150,034.50/212,291.50 = 212,291.50/x
3. Step 3: Cross multiply
   150,034.50x = 212,291.50 × 212,291.50
4. Step 4: Simplify right side
   150,034.50x = 45,067,680,972.25
5. Step 5: Solve for x
   x = 45,067,680,972.25/150,034.50
6. Step 6: Final answer
   x = 300,382.12