Finding the Third Proportional to 98,650.25 and 213,065.25

Step by Step Solution

1. Step 1: Write the proportion equation
   98,650.25 : 213,065.25 = 213,065.25 : x
2. Step 2: Convert to fraction form
   98,650.25/213,065.25 = 213,065.25/x
3. Step 3: Cross multiply
   98,650.25x = 213,065.25 × 213,065.25
4. Step 4: Simplify right side
   98,650.25x = 45,396,800,757.56
5. Step 5: Solve for x
   x = 45,396,800,757.56/98,650.25
6. Step 6: Final answer
   x = 460,179.28