Finding the Third Proportional to 112,819.50 and 174,898.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,819.50 : 174,898.50 = 174,898.50 : x
2. Step 2: Convert to fraction form
   112,819.50/174,898.50 = 174,898.50/x
3. Step 3: Cross multiply
   112,819.50x = 174,898.50 × 174,898.50
4. Step 4: Simplify right side
   112,819.50x = 30,589,485,302.25
5. Step 5: Solve for x
   x = 30,589,485,302.25/112,819.50
6. Step 6: Final answer
   x = 271,136.51