Finding the Third Proportional to 89,276 and 121,111

Step by Step Solution

1. Step 1: Write the proportion equation
   89,276 : 121,111 = 121,111 : x
2. Step 2: Convert to fraction form
   89,276/121,111 = 121,111/x
3. Step 3: Cross multiply
   89,276x = 121,111 × 121,111
4. Step 4: Simplify right side
   89,276x = 14,667,874,321
5. Step 5: Solve for x
   x = 14,667,874,321/89,276
6. Step 6: Final answer
   x = 164,298.07