Finding the Third Proportional to 90,488 and 133,030

Step by Step Solution

1. Step 1: Write the proportion equation
   90,488 : 133,030 = 133,030 : x
2. Step 2: Convert to fraction form
   90,488/133,030 = 133,030/x
3. Step 3: Cross multiply
   90,488x = 133,030 × 133,030
4. Step 4: Simplify right side
   90,488x = 17,696,980,900
5. Step 5: Solve for x
   x = 17,696,980,900/90,488
6. Step 6: Final answer
   x = 195,572.68