Finding the Third Proportional to 320,968 and 695,456

Step by Step Solution

1. Step 1: Write the proportion equation
   320,968 : 695,456 = 695,456 : x
2. Step 2: Convert to fraction form
   320,968/695,456 = 695,456/x
3. Step 3: Cross multiply
   320,968x = 695,456 × 695,456
4. Step 4: Simplify right side
   320,968x = 483,659,047,936
5. Step 5: Solve for x
   x = 483,659,047,936/320,968
6. Step 6: Final answer
   x = 1,506,876.22