Finding the Third Proportional to 116,348 and 251,120

Step by Step Solution

1. Step 1: Write the proportion equation
   116,348 : 251,120 = 251,120 : x
2. Step 2: Convert to fraction form
   116,348/251,120 = 251,120/x
3. Step 3: Cross multiply
   116,348x = 251,120 × 251,120
4. Step 4: Simplify right side
   116,348x = 63,061,254,400
5. Step 5: Solve for x
   x = 63,061,254,400/116,348
6. Step 6: Final answer
   x = 542,005.49