Finding the Third Proportional to 117,054 and 248,040

Step by Step Solution

1. Step 1: Write the proportion equation
   117,054 : 248,040 = 248,040 : x
2. Step 2: Convert to fraction form
   117,054/248,040 = 248,040/x
3. Step 3: Cross multiply
   117,054x = 248,040 × 248,040
4. Step 4: Simplify right side
   117,054x = 61,523,841,600
5. Step 5: Solve for x
   x = 61,523,841,600/117,054
6. Step 6: Final answer
   x = 525,602.21