Finding the Third Proportional to 55,230 and 117,810

Step by Step Solution

1. Step 1: Write the proportion equation
   55,230 : 117,810 = 117,810 : x
2. Step 2: Convert to fraction form
   55,230/117,810 = 117,810/x
3. Step 3: Cross multiply
   55,230x = 117,810 × 117,810
4. Step 4: Simplify right side
   55,230x = 13,879,196,100
5. Step 5: Solve for x
   x = 13,879,196,100/55,230
6. Step 6: Final answer
   x = 251,298.14