Finding the Third Proportional to 112,200.19 and 168,300.28

Step by Step Solution

1. Step 1: Write the proportion equation
   112,200.19 : 168,300.28 = 168,300.28 : x
2. Step 2: Convert to fraction form
   112,200.19/168,300.28 = 168,300.28/x
3. Step 3: Cross multiply
   112,200.19x = 168,300.28 × 168,300.28
4. Step 4: Simplify right side
   112,200.19x = 28,324,984,668.83
5. Step 5: Solve for x
   x = 28,324,984,668.83/112,200.19
6. Step 6: Final answer
   x = 252,450.42