Finding the Third Proportional to 112,303.50 and 169,620

Step by Step Solution

1. Step 1: Write the proportion equation
   112,303.50 : 169,620 = 169,620 : x
2. Step 2: Convert to fraction form
   112,303.50/169,620 = 169,620/x
3. Step 3: Cross multiply
   112,303.50x = 169,620 × 169,620
4. Step 4: Simplify right side
   112,303.50x = 28,770,944,400
5. Step 5: Solve for x
   x = 28,770,944,400/112,303.50
6. Step 6: Final answer
   x = 256,189.21