Finding the Third Proportional to 34,989.75 and 53,785.69

Step by Step Solution

1. Step 1: Write the proportion equation
   34,989.75 : 53,785.69 = 53,785.69 : x
2. Step 2: Convert to fraction form
   34,989.75/53,785.69 = 53,785.69/x
3. Step 3: Cross multiply
   34,989.75x = 53,785.69 × 53,785.69
4. Step 4: Simplify right side
   34,989.75x = 2,892,900,179.85
5. Step 5: Solve for x
   x = 2,892,900,179.85/34,989.75
6. Step 6: Final answer
   x = 82,678.50