Finding the Third Proportional to 90,824 and 134,940

Step by Step Solution

1. Step 1: Write the proportion equation
   90,824 : 134,940 = 134,940 : x
2. Step 2: Convert to fraction form
   90,824/134,940 = 134,940/x
3. Step 3: Cross multiply
   90,824x = 134,940 × 134,940
4. Step 4: Simplify right side
   90,824x = 18,208,803,600
5. Step 5: Solve for x
   x = 18,208,803,600/90,824
6. Step 6: Final answer
   x = 200,484.49