Finding the Third Proportional to 116,872 and 254,248

Step by Step Solution

1. Step 1: Write the proportion equation
   116,872 : 254,248 = 254,248 : x
2. Step 2: Convert to fraction form
   116,872/254,248 = 254,248/x
3. Step 3: Cross multiply
   116,872x = 254,248 × 254,248
4. Step 4: Simplify right side
   116,872x = 64,642,045,504
5. Step 5: Solve for x
   x = 64,642,045,504/116,872
6. Step 6: Final answer
   x = 553,101.22