Finding the Third Proportional to 55,089 and 72,751.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,089 : 72,751.50 = 72,751.50 : x
2. Step 2: Convert to fraction form
   55,089/72,751.50 = 72,751.50/x
3. Step 3: Cross multiply
   55,089x = 72,751.50 × 72,751.50
4. Step 4: Simplify right side
   55,089x = 5,292,780,752.25
5. Step 5: Solve for x
   x = 5,292,780,752.25/55,089
6. Step 6: Final answer
   x = 96,076.91