Finding the Third Proportional to 88,227 and 208,240

Step by Step Solution

1. Step 1: Write the proportion equation
   88,227 : 208,240 = 208,240 : x
2. Step 2: Convert to fraction form
   88,227/208,240 = 208,240/x
3. Step 3: Cross multiply
   88,227x = 208,240 × 208,240
4. Step 4: Simplify right side
   88,227x = 43,363,897,600
5. Step 5: Solve for x
   x = 43,363,897,600/88,227
6. Step 6: Final answer
   x = 491,503.71