Finding the Third Proportional to 79,985.75 and 175,037.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,985.75 : 175,037.50 = 175,037.50 : x
2. Step 2: Convert to fraction form
   79,985.75/175,037.50 = 175,037.50/x
3. Step 3: Cross multiply
   79,985.75x = 175,037.50 × 175,037.50
4. Step 4: Simplify right side
   79,985.75x = 30,638,126,406.25
5. Step 5: Solve for x
   x = 30,638,126,406.25/79,985.75
6. Step 6: Final answer
   x = 383,044.81