Finding the Third Proportional to 87,294 and 190,144

Step by Step Solution

1. Step 1: Write the proportion equation
   87,294 : 190,144 = 190,144 : x
2. Step 2: Convert to fraction form
   87,294/190,144 = 190,144/x
3. Step 3: Cross multiply
   87,294x = 190,144 × 190,144
4. Step 4: Simplify right side
   87,294x = 36,154,740,736
5. Step 5: Solve for x
   x = 36,154,740,736/87,294
6. Step 6: Final answer
   x = 414,172.12