Finding the Third Proportional to 122,108.50 and 254,484

Step by Step Solution

1. Step 1: Write the proportion equation
   122,108.50 : 254,484 = 254,484 : x
2. Step 2: Convert to fraction form
   122,108.50/254,484 = 254,484/x
3. Step 3: Cross multiply
   122,108.50x = 254,484 × 254,484
4. Step 4: Simplify right side
   122,108.50x = 64,762,106,256
5. Step 5: Solve for x
   x = 64,762,106,256/122,108.50
6. Step 6: Final answer
   x = 530,365.26