Finding the Third Proportional to 114,485 and 248,683.50

Step by Step Solution

1. Step 1: Write the proportion equation
   114,485 : 248,683.50 = 248,683.50 : x
2. Step 2: Convert to fraction form
   114,485/248,683.50 = 248,683.50/x
3. Step 3: Cross multiply
   114,485x = 248,683.50 × 248,683.50
4. Step 4: Simplify right side
   114,485x = 61,843,483,172.25
5. Step 5: Solve for x
   x = 61,843,483,172.25/114,485
6. Step 6: Final answer
   x = 540,188.52