Finding the Third Proportional to 98,550 and 215,996

Step by Step Solution

1. Step 1: Write the proportion equation
   98,550 : 215,996 = 215,996 : x
2. Step 2: Convert to fraction form
   98,550/215,996 = 215,996/x
3. Step 3: Cross multiply
   98,550x = 215,996 × 215,996
4. Step 4: Simplify right side
   98,550x = 46,654,272,016
5. Step 5: Solve for x
   x = 46,654,272,016/98,550
6. Step 6: Final answer
   x = 473,407.12