Finding the Third Proportional to 111,521 and 245,094

Step by Step Solution

1. Step 1: Write the proportion equation
   111,521 : 245,094 = 245,094 : x
2. Step 2: Convert to fraction form
   111,521/245,094 = 245,094/x
3. Step 3: Cross multiply
   111,521x = 245,094 × 245,094
4. Step 4: Simplify right side
   111,521x = 60,071,068,836
5. Step 5: Solve for x
   x = 60,071,068,836/111,521
6. Step 6: Final answer
   x = 538,652.53