Finding the Third Proportional to 55,479.94 and 78,502.92

Step by Step Solution

1. Step 1: Write the proportion equation
   55,479.94 : 78,502.92 = 78,502.92 : x
2. Step 2: Convert to fraction form
   55,479.94/78,502.92 = 78,502.92/x
3. Step 3: Cross multiply
   55,479.94x = 78,502.92 × 78,502.92
4. Step 4: Simplify right side
   55,479.94x = 6,162,708,742.91
5. Step 5: Solve for x
   x = 6,162,708,742.91/55,479.94
6. Step 6: Final answer
   x = 111,079.95