Finding the Third Proportional to 50,756.63 and 72,145.69

Step by Step Solution

1. Step 1: Write the proportion equation
   50,756.63 : 72,145.69 = 72,145.69 : x
2. Step 2: Convert to fraction form
   50,756.63/72,145.69 = 72,145.69/x
3. Step 3: Cross multiply
   50,756.63x = 72,145.69 × 72,145.69
4. Step 4: Simplify right side
   50,756.63x = 5,205,000,224.85
5. Step 5: Solve for x
   x = 5,205,000,224.85/50,756.63
6. Step 6: Final answer
   x = 102,548.19