Finding the Third Proportional to 115,017.50 and 251,358

Step by Step Solution

1. Step 1: Write the proportion equation
   115,017.50 : 251,358 = 251,358 : x
2. Step 2: Convert to fraction form
   115,017.50/251,358 = 251,358/x
3. Step 3: Cross multiply
   115,017.50x = 251,358 × 251,358
4. Step 4: Simplify right side
   115,017.50x = 63,180,844,164
5. Step 5: Solve for x
   x = 63,180,844,164/115,017.50
6. Step 6: Final answer
   x = 549,315.05