Finding the Third Proportional to 121,014 and 159,787.69

Step by Step Solution

1. Step 1: Write the proportion equation
   121,014 : 159,787.69 = 159,787.69 : x
2. Step 2: Convert to fraction form
   121,014/159,787.69 = 159,787.69/x
3. Step 3: Cross multiply
   121,014x = 159,787.69 × 159,787.69
4. Step 4: Simplify right side
   121,014x = 25,532,105,076.60
5. Step 5: Solve for x
   x = 25,532,105,076.60/121,014
6. Step 6: Final answer
   x = 210,984.72