Finding the Third Proportional to 326,748 and 707,776.13

Step by Step Solution

1. Step 1: Write the proportion equation
   326,748 : 707,776.13 = 707,776.13 : x
2. Step 2: Convert to fraction form
   326,748/707,776.13 = 707,776.13/x
3. Step 3: Cross multiply
   326,748x = 707,776.13 × 707,776.13
4. Step 4: Simplify right side
   326,748x = 500,947,043,120.02
5. Step 5: Solve for x
   x = 500,947,043,120.02/326,748
6. Step 6: Final answer
   x = 1,533,129.64