Finding the Third Proportional to 48,691 and 103,659.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,691 : 103,659.50 = 103,659.50 : x
2. Step 2: Convert to fraction form
   48,691/103,659.50 = 103,659.50/x
3. Step 3: Cross multiply
   48,691x = 103,659.50 × 103,659.50
4. Step 4: Simplify right side
   48,691x = 10,745,291,940.25
5. Step 5: Solve for x
   x = 10,745,291,940.25/48,691
6. Step 6: Final answer
   x = 220,683.33