Finding the Third Proportional to 110,852.50 and 242,408.50

Step by Step Solution

1. Step 1: Write the proportion equation
   110,852.50 : 242,408.50 = 242,408.50 : x
2. Step 2: Convert to fraction form
   110,852.50/242,408.50 = 242,408.50/x
3. Step 3: Cross multiply
   110,852.50x = 242,408.50 × 242,408.50
4. Step 4: Simplify right side
   110,852.50x = 58,761,880,872.25
5. Step 5: Solve for x
   x = 58,761,880,872.25/110,852.50
6. Step 6: Final answer
   x = 530,090.71