Finding the Third Proportional to 48,685 and 103,647.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,685 : 103,647.50 = 103,647.50 : x
2. Step 2: Convert to fraction form
   48,685/103,647.50 = 103,647.50/x
3. Step 3: Cross multiply
   48,685x = 103,647.50 × 103,647.50
4. Step 4: Simplify right side
   48,685x = 10,742,804,256.25
5. Step 5: Solve for x
   x = 10,742,804,256.25/48,685
6. Step 6: Final answer
   x = 220,659.43