Finding the Third Proportional to 88,624 and 136,222

Step by Step Solution

1. Step 1: Write the proportion equation
   88,624 : 136,222 = 136,222 : x
2. Step 2: Convert to fraction form
   88,624/136,222 = 136,222/x
3. Step 3: Cross multiply
   88,624x = 136,222 × 136,222
4. Step 4: Simplify right side
   88,624x = 18,556,433,284
5. Step 5: Solve for x
   x = 18,556,433,284/88,624
6. Step 6: Final answer
   x = 209,383.84