Finding the Third Proportional to 89,220 and 131,364

Step by Step Solution

1. Step 1: Write the proportion equation
   89,220 : 131,364 = 131,364 : x
2. Step 2: Convert to fraction form
   89,220/131,364 = 131,364/x
3. Step 3: Cross multiply
   89,220x = 131,364 × 131,364
4. Step 4: Simplify right side
   89,220x = 17,256,500,496
5. Step 5: Solve for x
   x = 17,256,500,496/89,220
6. Step 6: Final answer
   x = 193,415.16