Finding the Third Proportional to 122,607 and 189,924.75

Step by Step Solution

1. Step 1: Write the proportion equation
   122,607 : 189,924.75 = 189,924.75 : x
2. Step 2: Convert to fraction form
   122,607/189,924.75 = 189,924.75/x
3. Step 3: Cross multiply
   122,607x = 189,924.75 × 189,924.75
4. Step 4: Simplify right side
   122,607x = 36,071,410,662.56
5. Step 5: Solve for x
   x = 36,071,410,662.56/122,607
6. Step 6: Final answer
   x = 294,203.52