Finding the Third Proportional to 126,211.50 and 269,262

Step by Step Solution

1. Step 1: Write the proportion equation
   126,211.50 : 269,262 = 269,262 : x
2. Step 2: Convert to fraction form
   126,211.50/269,262 = 269,262/x
3. Step 3: Cross multiply
   126,211.50x = 269,262 × 269,262
4. Step 4: Simplify right side
   126,211.50x = 72,502,024,644
5. Step 5: Solve for x
   x = 72,502,024,644/126,211.50
6. Step 6: Final answer
   x = 574,448.64