Finding the Third Proportional to 116,468 and 248,188

Step by Step Solution

1. Step 1: Write the proportion equation
   116,468 : 248,188 = 248,188 : x
2. Step 2: Convert to fraction form
   116,468/248,188 = 248,188/x
3. Step 3: Cross multiply
   116,468x = 248,188 × 248,188
4. Step 4: Simplify right side
   116,468x = 61,597,283,344
5. Step 5: Solve for x
   x = 61,597,283,344/116,468
6. Step 6: Final answer
   x = 528,877.32