Finding the Third Proportional to 89,217 and 131,361

Step by Step Solution

1. Step 1: Write the proportion equation
   89,217 : 131,361 = 131,361 : x
2. Step 2: Convert to fraction form
   89,217/131,361 = 131,361/x
3. Step 3: Cross multiply
   89,217x = 131,361 × 131,361
4. Step 4: Simplify right side
   89,217x = 17,255,712,321
5. Step 5: Solve for x
   x = 17,255,712,321/89,217
6. Step 6: Final answer
   x = 193,412.83