Finding the Third Proportional to 88,501 and 140,207

Step by Step Solution

1. Step 1: Write the proportion equation
   88,501 : 140,207 = 140,207 : x
2. Step 2: Convert to fraction form
   88,501/140,207 = 140,207/x
3. Step 3: Cross multiply
   88,501x = 140,207 × 140,207
4. Step 4: Simplify right side
   88,501x = 19,658,002,849
5. Step 5: Solve for x
   x = 19,658,002,849/88,501
6. Step 6: Final answer
   x = 222,121.82