Finding the Third Proportional to 117,363.50 and 253,435.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,363.50 : 253,435.50 = 253,435.50 : x
2. Step 2: Convert to fraction form
   117,363.50/253,435.50 = 253,435.50/x
3. Step 3: Cross multiply
   117,363.50x = 253,435.50 × 253,435.50
4. Step 4: Simplify right side
   117,363.50x = 64,229,552,660.25
5. Step 5: Solve for x
   x = 64,229,552,660.25/117,363.50
6. Step 6: Final answer
   x = 547,270.26