Finding the Third Proportional to 116,412.75 and 251,189.25

Step by Step Solution

1. Step 1: Write the proportion equation
   116,412.75 : 251,189.25 = 251,189.25 : x
2. Step 2: Convert to fraction form
   116,412.75/251,189.25 = 251,189.25/x
3. Step 3: Cross multiply
   116,412.75x = 251,189.25 × 251,189.25
4. Step 4: Simplify right side
   116,412.75x = 63,096,039,315.56
5. Step 5: Solve for x
   x = 63,096,039,315.56/116,412.75
6. Step 6: Final answer
   x = 542,002.82