Finding the Third Proportional to 37,729.50 and 79,131

Step by Step Solution

1. Step 1: Write the proportion equation
   37,729.50 : 79,131 = 79,131 : x
2. Step 2: Convert to fraction form
   37,729.50/79,131 = 79,131/x
3. Step 3: Cross multiply
   37,729.50x = 79,131 × 79,131
4. Step 4: Simplify right side
   37,729.50x = 6,261,715,161
5. Step 5: Solve for x
   x = 6,261,715,161/37,729.50
6. Step 6: Final answer
   x = 165,963.38