Finding the Third Proportional to 79,980.75 and 175,027.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,980.75 : 175,027.50 = 175,027.50 : x
2. Step 2: Convert to fraction form
   79,980.75/175,027.50 = 175,027.50/x
3. Step 3: Cross multiply
   79,980.75x = 175,027.50 × 175,027.50
4. Step 4: Simplify right side
   79,980.75x = 30,634,625,756.25
5. Step 5: Solve for x
   x = 30,634,625,756.25/79,980.75
6. Step 6: Final answer
   x = 383,024.99