Finding the Third Proportional to 98,903.25 and 216,760.50

Step by Step Solution

1. Step 1: Write the proportion equation
   98,903.25 : 216,760.50 = 216,760.50 : x
2. Step 2: Convert to fraction form
   98,903.25/216,760.50 = 216,760.50/x
3. Step 3: Cross multiply
   98,903.25x = 216,760.50 × 216,760.50
4. Step 4: Simplify right side
   98,903.25x = 46,985,114,360.25
5. Step 5: Solve for x
   x = 46,985,114,360.25/98,903.25
6. Step 6: Final answer
   x = 475,061.38