Finding the Third Proportional to 90,470 and 133,078

Step by Step Solution

1. Step 1: Write the proportion equation
   90,470 : 133,078 = 133,078 : x
2. Step 2: Convert to fraction form
   90,470/133,078 = 133,078/x
3. Step 3: Cross multiply
   90,470x = 133,078 × 133,078
4. Step 4: Simplify right side
   90,470x = 17,709,754,084
5. Step 5: Solve for x
   x = 17,709,754,084/90,470
6. Step 6: Final answer
   x = 195,752.78