Finding the Third Proportional to 326,722.88 and 707,745

Step by Step Solution

1. Step 1: Write the proportion equation
   326,722.88 : 707,745 = 707,745 : x
2. Step 2: Convert to fraction form
   326,722.88/707,745 = 707,745/x
3. Step 3: Cross multiply
   326,722.88x = 707,745 × 707,745
4. Step 4: Simplify right side
   326,722.88x = 500,902,985,025
5. Step 5: Solve for x
   x = 500,902,985,025/326,722.88
6. Step 6: Final answer
   x = 1,533,112.69