Finding the Third Proportional to 103,727.50 and 211,263

Step by Step Solution

1. Step 1: Write the proportion equation
   103,727.50 : 211,263 = 211,263 : x
2. Step 2: Convert to fraction form
   103,727.50/211,263 = 211,263/x
3. Step 3: Cross multiply
   103,727.50x = 211,263 × 211,263
4. Step 4: Simplify right side
   103,727.50x = 44,632,055,169
5. Step 5: Solve for x
   x = 44,632,055,169/103,727.50
6. Step 6: Final answer
   x = 430,281.80