Finding the Third Proportional to 114,486 and 248,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   114,486 : 248,039.50 = 248,039.50 : x
2. Step 2: Convert to fraction form
   114,486/248,039.50 = 248,039.50/x
3. Step 3: Cross multiply
   114,486x = 248,039.50 × 248,039.50
4. Step 4: Simplify right side
   114,486x = 61,523,593,560.25
5. Step 5: Solve for x
   x = 61,523,593,560.25/114,486
6. Step 6: Final answer
   x = 537,389.67