Finding the Third Proportional to 49,349.57 and 79,474.92

Step by Step Solution

1. Step 1: Write the proportion equation
   49,349.57 : 79,474.92 = 79,474.92 : x
2. Step 2: Convert to fraction form
   49,349.57/79,474.92 = 79,474.92/x
3. Step 3: Cross multiply
   49,349.57x = 79,474.92 × 79,474.92
4. Step 4: Simplify right side
   49,349.57x = 6,316,263,207.04
5. Step 5: Solve for x
   x = 6,316,263,207.04/49,349.57
6. Step 6: Final answer
   x = 127,990.25