Finding the Third Proportional to 45,216.56 and 98,215.31

Step by Step Solution

1. Step 1: Write the proportion equation
   45,216.56 : 98,215.31 = 98,215.31 : x
2. Step 2: Convert to fraction form
   45,216.56/98,215.31 = 98,215.31/x
3. Step 3: Cross multiply
   45,216.56x = 98,215.31 × 98,215.31
4. Step 4: Simplify right side
   45,216.56x = 9,646,247,609.47
5. Step 5: Solve for x
   x = 9,646,247,609.47/45,216.56
6. Step 6: Final answer
   x = 213,334.39