Finding the Third Proportional to 98,617.50 and 215,892

Step by Step Solution

1. Step 1: Write the proportion equation
   98,617.50 : 215,892 = 215,892 : x
2. Step 2: Convert to fraction form
   98,617.50/215,892 = 215,892/x
3. Step 3: Cross multiply
   98,617.50x = 215,892 × 215,892
4. Step 4: Simplify right side
   98,617.50x = 46,609,355,664
5. Step 5: Solve for x
   x = 46,609,355,664/98,617.50
6. Step 6: Final answer
   x = 472,627.63