Finding the Third Proportional to 331,662 and 779,584

Step by Step Solution

1. Step 1: Write the proportion equation
   331,662 : 779,584 = 779,584 : x
2. Step 2: Convert to fraction form
   331,662/779,584 = 779,584/x
3. Step 3: Cross multiply
   331,662x = 779,584 × 779,584
4. Step 4: Simplify right side
   331,662x = 607,751,213,056
5. Step 5: Solve for x
   x = 607,751,213,056/331,662
6. Step 6: Final answer
   x = 1,832,441.50