Finding the Third Proportional to 122,994 and 264,858.75

Step by Step Solution

1. Step 1: Write the proportion equation
   122,994 : 264,858.75 = 264,858.75 : x
2. Step 2: Convert to fraction form
   122,994/264,858.75 = 264,858.75/x
3. Step 3: Cross multiply
   122,994x = 264,858.75 × 264,858.75
4. Step 4: Simplify right side
   122,994x = 70,150,157,451.56
5. Step 5: Solve for x
   x = 70,150,157,451.56/122,994
6. Step 6: Final answer
   x = 570,354.31