Finding the Third Proportional to 116,323 and 251,215

Step by Step Solution

1. Step 1: Write the proportion equation
   116,323 : 251,215 = 251,215 : x
2. Step 2: Convert to fraction form
   116,323/251,215 = 251,215/x
3. Step 3: Cross multiply
   116,323x = 251,215 × 251,215
4. Step 4: Simplify right side
   116,323x = 63,108,976,225
5. Step 5: Solve for x
   x = 63,108,976,225/116,323
6. Step 6: Final answer
   x = 542,532.23