Finding the Third Proportional to 118,333.50 and 253,480.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,333.50 : 253,480.50 = 253,480.50 : x
2. Step 2: Convert to fraction form
   118,333.50/253,480.50 = 253,480.50/x
3. Step 3: Cross multiply
   118,333.50x = 253,480.50 × 253,480.50
4. Step 4: Simplify right side
   118,333.50x = 64,252,363,880.25
5. Step 5: Solve for x
   x = 64,252,363,880.25/118,333.50
6. Step 6: Final answer
   x = 542,976.96