Finding the Third Proportional to 141,408 and 308,064

Step by Step Solution

1. Step 1: Write the proportion equation
   141,408 : 308,064 = 308,064 : x
2. Step 2: Convert to fraction form
   141,408/308,064 = 308,064/x
3. Step 3: Cross multiply
   141,408x = 308,064 × 308,064
4. Step 4: Simplify right side
   141,408x = 94,903,428,096
5. Step 5: Solve for x
   x = 94,903,428,096/141,408
6. Step 6: Final answer
   x = 671,131.96