Finding the Third Proportional to 116,680.50 and 251,100

Step by Step Solution

1. Step 1: Write the proportion equation
   116,680.50 : 251,100 = 251,100 : x
2. Step 2: Convert to fraction form
   116,680.50/251,100 = 251,100/x
3. Step 3: Cross multiply
   116,680.50x = 251,100 × 251,100
4. Step 4: Simplify right side
   116,680.50x = 63,051,210,000
5. Step 5: Solve for x
   x = 63,051,210,000/116,680.50
6. Step 6: Final answer
   x = 540,374.87