Finding the Third Proportional to 51,608.19 and 72,673.69

Step by Step Solution

1. Step 1: Write the proportion equation
   51,608.19 : 72,673.69 = 72,673.69 : x
2. Step 2: Convert to fraction form
   51,608.19/72,673.69 = 72,673.69/x
3. Step 3: Cross multiply
   51,608.19x = 72,673.69 × 72,673.69
4. Step 4: Simplify right side
   51,608.19x = 5,281,464,854.85
5. Step 5: Solve for x
   x = 5,281,464,854.85/51,608.19
6. Step 6: Final answer
   x = 102,337.73