Finding the Third Proportional to 116,698 and 254,517.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,698 : 254,517.50 = 254,517.50 : x
2. Step 2: Convert to fraction form
   116,698/254,517.50 = 254,517.50/x
3. Step 3: Cross multiply
   116,698x = 254,517.50 × 254,517.50
4. Step 4: Simplify right side
   116,698x = 64,779,157,806.25
5. Step 5: Solve for x
   x = 64,779,157,806.25/116,698
6. Step 6: Final answer
   x = 555,100.84