Finding the Third Proportional to 326,614.50 and 666,348

Step by Step Solution

1. Step 1: Write the proportion equation
   326,614.50 : 666,348 = 666,348 : x
2. Step 2: Convert to fraction form
   326,614.50/666,348 = 666,348/x
3. Step 3: Cross multiply
   326,614.50x = 666,348 × 666,348
4. Step 4: Simplify right side
   326,614.50x = 444,019,657,104
5. Step 5: Solve for x
   x = 444,019,657,104/326,614.50
6. Step 6: Final answer
   x = 1,359,460.95