Finding the Third Proportional to 53,630.25 and 80,341.88

Step by Step Solution

1. Step 1: Write the proportion equation
   53,630.25 : 80,341.88 = 80,341.88 : x
2. Step 2: Convert to fraction form
   53,630.25/80,341.88 = 80,341.88/x
3. Step 3: Cross multiply
   53,630.25x = 80,341.88 × 80,341.88
4. Step 4: Simplify right side
   53,630.25x = 6,454,816,878.52
5. Step 5: Solve for x
   x = 6,454,816,878.52/53,630.25
6. Step 6: Final answer
   x = 120,357.76