Finding the Third Proportional to 114,218 and 245,446

Step by Step Solution

1. Step 1: Write the proportion equation
   114,218 : 245,446 = 245,446 : x
2. Step 2: Convert to fraction form
   114,218/245,446 = 245,446/x
3. Step 3: Cross multiply
   114,218x = 245,446 × 245,446
4. Step 4: Simplify right side
   114,218x = 60,243,738,916
5. Step 5: Solve for x
   x = 60,243,738,916/114,218
6. Step 6: Final answer
   x = 527,445.23