Finding the Third Proportional to 55,593 and 81,919.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,593 : 81,919.50 = 81,919.50 : x
2. Step 2: Convert to fraction form
   55,593/81,919.50 = 81,919.50/x
3. Step 3: Cross multiply
   55,593x = 81,919.50 × 81,919.50
4. Step 4: Simplify right side
   55,593x = 6,710,804,480.25
5. Step 5: Solve for x
   x = 6,710,804,480.25/55,593
6. Step 6: Final answer
   x = 120,713.12