Finding the Third Proportional to 90,030 and 142,374

Step by Step Solution

1. Step 1: Write the proportion equation
   90,030 : 142,374 = 142,374 : x
2. Step 2: Convert to fraction form
   90,030/142,374 = 142,374/x
3. Step 3: Cross multiply
   90,030x = 142,374 × 142,374
4. Step 4: Simplify right side
   90,030x = 20,270,355,876
5. Step 5: Solve for x
   x = 20,270,355,876/90,030
6. Step 6: Final answer
   x = 225,151.13