Finding the Third Proportional to 116,360 and 248,272

Step by Step Solution

1. Step 1: Write the proportion equation
   116,360 : 248,272 = 248,272 : x
2. Step 2: Convert to fraction form
   116,360/248,272 = 248,272/x
3. Step 3: Cross multiply
   116,360x = 248,272 × 248,272
4. Step 4: Simplify right side
   116,360x = 61,638,985,984
5. Step 5: Solve for x
   x = 61,638,985,984/116,360
6. Step 6: Final answer
   x = 529,726.59