Finding the Third Proportional to 111,334.50 and 242,649

Step by Step Solution

1. Step 1: Write the proportion equation
   111,334.50 : 242,649 = 242,649 : x
2. Step 2: Convert to fraction form
   111,334.50/242,649 = 242,649/x
3. Step 3: Cross multiply
   111,334.50x = 242,649 × 242,649
4. Step 4: Simplify right side
   111,334.50x = 58,878,537,201
5. Step 5: Solve for x
   x = 58,878,537,201/111,334.50
6. Step 6: Final answer
   x = 528,843.59