Finding the Third Proportional to 56,741.91 and 85,357.69

Step by Step Solution

1. Step 1: Write the proportion equation
   56,741.91 : 85,357.69 = 85,357.69 : x
2. Step 2: Convert to fraction form
   56,741.91/85,357.69 = 85,357.69/x
3. Step 3: Cross multiply
   56,741.91x = 85,357.69 × 85,357.69
4. Step 4: Simplify right side
   56,741.91x = 7,285,934,815.35
5. Step 5: Solve for x
   x = 7,285,934,815.35/56,741.91
6. Step 6: Final answer
   x = 128,404.83