Finding the Third Proportional to 48,681.75 and 71,107.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,681.75 : 71,107.50 = 71,107.50 : x
2. Step 2: Convert to fraction form
   48,681.75/71,107.50 = 71,107.50/x
3. Step 3: Cross multiply
   48,681.75x = 71,107.50 × 71,107.50
4. Step 4: Simplify right side
   48,681.75x = 5,056,276,556.25
5. Step 5: Solve for x
   x = 5,056,276,556.25/48,681.75
6. Step 6: Final answer
   x = 103,863.90