Finding the Third Proportional to 118,401.75 and 253,692

Step by Step Solution

1. Step 1: Write the proportion equation
   118,401.75 : 253,692 = 253,692 : x
2. Step 2: Convert to fraction form
   118,401.75/253,692 = 253,692/x
3. Step 3: Cross multiply
   118,401.75x = 253,692 × 253,692
4. Step 4: Simplify right side
   118,401.75x = 64,359,630,864
5. Step 5: Solve for x
   x = 64,359,630,864/118,401.75
6. Step 6: Final answer
   x = 543,569.93