Finding the Third Proportional to 48,945.28 and 103,681.69

Step by Step Solution

1. Step 1: Write the proportion equation
   48,945.28 : 103,681.69 = 103,681.69 : x
2. Step 2: Convert to fraction form
   48,945.28/103,681.69 = 103,681.69/x
3. Step 3: Cross multiply
   48,945.28x = 103,681.69 × 103,681.69
4. Step 4: Simplify right side
   48,945.28x = 10,749,892,322.85
5. Step 5: Solve for x
   x = 10,749,892,322.85/48,945.28
6. Step 6: Final answer
   x = 219,630.82