Finding the Third Proportional to 250,836.75 and 551,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   250,836.75 : 551,488.50 = 551,488.50 : x
2. Step 2: Convert to fraction form
   250,836.75/551,488.50 = 551,488.50/x
3. Step 3: Cross multiply
   250,836.75x = 551,488.50 × 551,488.50
4. Step 4: Simplify right side
   250,836.75x = 304,139,565,632.25
5. Step 5: Solve for x
   x = 304,139,565,632.25/250,836.75
6. Step 6: Final answer
   x = 1,212,500.02