Finding the Third Proportional to 136,022 and 288,208

Step by Step Solution

1. Step 1: Write the proportion equation
   136,022 : 288,208 = 288,208 : x
2. Step 2: Convert to fraction form
   136,022/288,208 = 288,208/x
3. Step 3: Cross multiply
   136,022x = 288,208 × 288,208
4. Step 4: Simplify right side
   136,022x = 83,063,851,264
5. Step 5: Solve for x
   x = 83,063,851,264/136,022
6. Step 6: Final answer
   x = 610,664.83