Finding the Third Proportional to 140,691 and 308,064

Step by Step Solution

1. Step 1: Write the proportion equation
   140,691 : 308,064 = 308,064 : x
2. Step 2: Convert to fraction form
   140,691/308,064 = 308,064/x
3. Step 3: Cross multiply
   140,691x = 308,064 × 308,064
4. Step 4: Simplify right side
   140,691x = 94,903,428,096
5. Step 5: Solve for x
   x = 94,903,428,096/140,691
6. Step 6: Final answer
   x = 674,552.23