Finding the Third Proportional to 98,602 and 215,610

Step by Step Solution

1. Step 1: Write the proportion equation
   98,602 : 215,610 = 215,610 : x
2. Step 2: Convert to fraction form
   98,602/215,610 = 215,610/x
3. Step 3: Cross multiply
   98,602x = 215,610 × 215,610
4. Step 4: Simplify right side
   98,602x = 46,487,672,100
5. Step 5: Solve for x
   x = 46,487,672,100/98,602
6. Step 6: Final answer
   x = 471,467.84