Finding the Third Proportional to 79,437.50 and 174,867.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,437.50 : 174,867.50 = 174,867.50 : x
2. Step 2: Convert to fraction form
   79,437.50/174,867.50 = 174,867.50/x
3. Step 3: Cross multiply
   79,437.50x = 174,867.50 × 174,867.50
4. Step 4: Simplify right side
   79,437.50x = 30,578,642,556.25
5. Step 5: Solve for x
   x = 30,578,642,556.25/79,437.50
6. Step 6: Final answer
   x = 384,939.64