Finding the Third Proportional to 48,681 and 103,639.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,681 : 103,639.50 = 103,639.50 : x
2. Step 2: Convert to fraction form
   48,681/103,639.50 = 103,639.50/x
3. Step 3: Cross multiply
   48,681x = 103,639.50 × 103,639.50
4. Step 4: Simplify right side
   48,681x = 10,741,145,960.25
5. Step 5: Solve for x
   x = 10,741,145,960.25/48,681
6. Step 6: Final answer
   x = 220,643.49