Finding the Third Proportional to 48,289.50 and 72,798.75

Step by Step Solution

1. Step 1: Write the proportion equation
   48,289.50 : 72,798.75 = 72,798.75 : x
2. Step 2: Convert to fraction form
   48,289.50/72,798.75 = 72,798.75/x
3. Step 3: Cross multiply
   48,289.50x = 72,798.75 × 72,798.75
4. Step 4: Simplify right side
   48,289.50x = 5,299,658,001.56
5. Step 5: Solve for x
   x = 5,299,658,001.56/48,289.50
6. Step 6: Final answer
   x = 109,747.63