Finding the Third Proportional to 49,483.50 and 79,827.75

Step by Step Solution

1. Step 1: Write the proportion equation
   49,483.50 : 79,827.75 = 79,827.75 : x
2. Step 2: Convert to fraction form
   49,483.50/79,827.75 = 79,827.75/x
3. Step 3: Cross multiply
   49,483.50x = 79,827.75 × 79,827.75
4. Step 4: Simplify right side
   49,483.50x = 6,372,469,670.06
5. Step 5: Solve for x
   x = 6,372,469,670.06/49,483.50
6. Step 6: Final answer
   x = 128,779.69