Finding the Third Proportional to 115,479 and 253,003.50

Step by Step Solution

1. Step 1: Write the proportion equation
   115,479 : 253,003.50 = 253,003.50 : x
2. Step 2: Convert to fraction form
   115,479/253,003.50 = 253,003.50/x
3. Step 3: Cross multiply
   115,479x = 253,003.50 × 253,003.50
4. Step 4: Simplify right side
   115,479x = 64,010,771,012.25
5. Step 5: Solve for x
   x = 64,010,771,012.25/115,479
6. Step 6: Final answer
   x = 554,306.59