Finding the Third Proportional to 89,312 and 142,168

Step by Step Solution

1. Step 1: Write the proportion equation
   89,312 : 142,168 = 142,168 : x
2. Step 2: Convert to fraction form
   89,312/142,168 = 142,168/x
3. Step 3: Cross multiply
   89,312x = 142,168 × 142,168
4. Step 4: Simplify right side
   89,312x = 20,211,740,224
5. Step 5: Solve for x
   x = 20,211,740,224/89,312
6. Step 6: Final answer
   x = 226,304.87