Finding the Third Proportional to 324,828 and 499,927.50

Step by Step Solution

1. Step 1: Write the proportion equation
   324,828 : 499,927.50 = 499,927.50 : x
2. Step 2: Convert to fraction form
   324,828/499,927.50 = 499,927.50/x
3. Step 3: Cross multiply
   324,828x = 499,927.50 × 499,927.50
4. Step 4: Simplify right side
   324,828x = 249,927,505,256.25
5. Step 5: Solve for x
   x = 249,927,505,256.25/324,828
6. Step 6: Final answer
   x = 769,414.91