Finding the Third Proportional to 118,380 and 251,826

Step by Step Solution

1. Step 1: Write the proportion equation
   118,380 : 251,826 = 251,826 : x
2. Step 2: Convert to fraction form
   118,380/251,826 = 251,826/x
3. Step 3: Cross multiply
   118,380x = 251,826 × 251,826
4. Step 4: Simplify right side
   118,380x = 63,416,334,276
5. Step 5: Solve for x
   x = 63,416,334,276/118,380
6. Step 6: Final answer
   x = 535,701.42