Finding the Third Proportional to 111,484 and 245,108

Step by Step Solution

1. Step 1: Write the proportion equation
   111,484 : 245,108 = 245,108 : x
2. Step 2: Convert to fraction form
   111,484/245,108 = 245,108/x
3. Step 3: Cross multiply
   111,484x = 245,108 × 245,108
4. Step 4: Simplify right side
   111,484x = 60,077,931,664
5. Step 5: Solve for x
   x = 60,077,931,664/111,484
6. Step 6: Final answer
   x = 538,892.86