Finding the Third Proportional to 89,028 and 191,880

Step by Step Solution

1. Step 1: Write the proportion equation
   89,028 : 191,880 = 191,880 : x
2. Step 2: Convert to fraction form
   89,028/191,880 = 191,880/x
3. Step 3: Cross multiply
   89,028x = 191,880 × 191,880
4. Step 4: Simplify right side
   89,028x = 36,817,934,400
5. Step 5: Solve for x
   x = 36,817,934,400/89,028
6. Step 6: Final answer
   x = 413,554.55