Finding the Third Proportional to 98,540.06 and 216,155.81

Step by Step Solution

1. Step 1: Write the proportion equation
   98,540.06 : 216,155.81 = 216,155.81 : x
2. Step 2: Convert to fraction form
   98,540.06/216,155.81 = 216,155.81/x
3. Step 3: Cross multiply
   98,540.06x = 216,155.81 × 216,155.81
4. Step 4: Simplify right side
   98,540.06x = 46,723,335,277.54
5. Step 5: Solve for x
   x = 46,723,335,277.54/98,540.06
6. Step 6: Final answer
   x = 474,155.73