Finding the Third Proportional to 116,697 and 254,515.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,697 : 254,515.50 = 254,515.50 : x
2. Step 2: Convert to fraction form
   116,697/254,515.50 = 254,515.50/x
3. Step 3: Cross multiply
   116,697x = 254,515.50 × 254,515.50
4. Step 4: Simplify right side
   116,697x = 64,778,139,740.25
5. Step 5: Solve for x
   x = 64,778,139,740.25/116,697
6. Step 6: Final answer
   x = 555,096.87