Finding the Third Proportional to 57,484.50 and 77,249.25

Step by Step Solution

1. Step 1: Write the proportion equation
   57,484.50 : 77,249.25 = 77,249.25 : x
2. Step 2: Convert to fraction form
   57,484.50/77,249.25 = 77,249.25/x
3. Step 3: Cross multiply
   57,484.50x = 77,249.25 × 77,249.25
4. Step 4: Simplify right side
   57,484.50x = 5,967,446,625.56
5. Step 5: Solve for x
   x = 5,967,446,625.56/57,484.50
6. Step 6: Final answer
   x = 103,809.66