Finding the Third Proportional to 326,769 and 707,820

Step by Step Solution

1. Step 1: Write the proportion equation
   326,769 : 707,820 = 707,820 : x
2. Step 2: Convert to fraction form
   326,769/707,820 = 707,820/x
3. Step 3: Cross multiply
   326,769x = 707,820 × 707,820
4. Step 4: Simplify right side
   326,769x = 501,009,152,400
5. Step 5: Solve for x
   x = 501,009,152,400/326,769
6. Step 6: Final answer
   x = 1,533,221.18