Finding the Third Proportional to 67,212 and 100,458

Step by Step Solution

1. Step 1: Write the proportion equation
   67,212 : 100,458 = 100,458 : x
2. Step 2: Convert to fraction form
   67,212/100,458 = 100,458/x
3. Step 3: Cross multiply
   67,212x = 100,458 × 100,458
4. Step 4: Simplify right side
   67,212x = 10,091,809,764
5. Step 5: Solve for x
   x = 10,091,809,764/67,212
6. Step 6: Final answer
   x = 150,148.93