Finding the Third Proportional to 90,414 and 103,554

Step by Step Solution

1. Step 1: Write the proportion equation
   90,414 : 103,554 = 103,554 : x
2. Step 2: Convert to fraction form
   90,414/103,554 = 103,554/x
3. Step 3: Cross multiply
   90,414x = 103,554 × 103,554
4. Step 4: Simplify right side
   90,414x = 10,723,430,916
5. Step 5: Solve for x
   x = 10,723,430,916/90,414
6. Step 6: Final answer
   x = 118,603.66