Finding the Third Proportional to 213,482.25 and 458,622

Step by Step Solution

1. Step 1: Write the proportion equation
   213,482.25 : 458,622 = 458,622 : x
2. Step 2: Convert to fraction form
   213,482.25/458,622 = 458,622/x
3. Step 3: Cross multiply
   213,482.25x = 458,622 × 458,622
4. Step 4: Simplify right side
   213,482.25x = 210,334,138,884
5. Step 5: Solve for x
   x = 210,334,138,884/213,482.25
6. Step 6: Final answer
   x = 985,253.52