Finding the Third Proportional to 326,824.50 and 707,932.50

Step by Step Solution

1. Step 1: Write the proportion equation
   326,824.50 : 707,932.50 = 707,932.50 : x
2. Step 2: Convert to fraction form
   326,824.50/707,932.50 = 707,932.50/x
3. Step 3: Cross multiply
   326,824.50x = 707,932.50 × 707,932.50
4. Step 4: Simplify right side
   326,824.50x = 501,168,424,556.25
5. Step 5: Solve for x
   x = 501,168,424,556.25/326,824.50
6. Step 6: Final answer
   x = 1,533,448.15