Finding the Third Proportional to 62,749.69 and 87,768.56

Step by Step Solution

1. Step 1: Write the proportion equation
   62,749.69 : 87,768.56 = 87,768.56 : x
2. Step 2: Convert to fraction form
   62,749.69/87,768.56 = 87,768.56/x
3. Step 3: Cross multiply
   62,749.69x = 87,768.56 × 87,768.56
4. Step 4: Simplify right side
   62,749.69x = 7,703,320,563.32
5. Step 5: Solve for x
   x = 7,703,320,563.32/62,749.69
6. Step 6: Final answer
   x = 122,762.69