Finding the Third Proportional to 50,729.63 and 72,106.88

Step by Step Solution

1. Step 1: Write the proportion equation
   50,729.63 : 72,106.88 = 72,106.88 : x
2. Step 2: Convert to fraction form
   50,729.63/72,106.88 = 72,106.88/x
3. Step 3: Cross multiply
   50,729.63x = 72,106.88 × 72,106.88
4. Step 4: Simplify right side
   50,729.63x = 5,199,401,422.27
5. Step 5: Solve for x
   x = 5,199,401,422.27/50,729.63
6. Step 6: Final answer
   x = 102,492.41