Finding the Third Proportional to 56,919.50 and 91,454.25

Step by Step Solution

1. Step 1: Write the proportion equation
   56,919.50 : 91,454.25 = 91,454.25 : x
2. Step 2: Convert to fraction form
   56,919.50/91,454.25 = 91,454.25/x
3. Step 3: Cross multiply
   56,919.50x = 91,454.25 × 91,454.25
4. Step 4: Simplify right side
   56,919.50x = 8,363,879,843.06
5. Step 5: Solve for x
   x = 8,363,879,843.06/56,919.50
6. Step 6: Final answer
   x = 146,942.26