Finding the Third Proportional to 79,719 and 174,988.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,719 : 174,988.50 = 174,988.50 : x
2. Step 2: Convert to fraction form
   79,719/174,988.50 = 174,988.50/x
3. Step 3: Cross multiply
   79,719x = 174,988.50 × 174,988.50
4. Step 4: Simplify right side
   79,719x = 30,620,975,132.25
5. Step 5: Solve for x
   x = 30,620,975,132.25/79,719
6. Step 6: Final answer
   x = 384,111.38