Finding the Third Proportional to 151,064 and 320,074

Step by Step Solution

1. Step 1: Write the proportion equation
   151,064 : 320,074 = 320,074 : x
2. Step 2: Convert to fraction form
   151,064/320,074 = 320,074/x
3. Step 3: Cross multiply
   151,064x = 320,074 × 320,074
4. Step 4: Simplify right side
   151,064x = 102,447,365,476
5. Step 5: Solve for x
   x = 102,447,365,476/151,064
6. Step 6: Final answer
   x = 678,171.94