Finding the Third Proportional to 133,390.50 and 314,874

Step by Step Solution

1. Step 1: Write the proportion equation
   133,390.50 : 314,874 = 314,874 : x
2. Step 2: Convert to fraction form
   133,390.50/314,874 = 314,874/x
3. Step 3: Cross multiply
   133,390.50x = 314,874 × 314,874
4. Step 4: Simplify right side
   133,390.50x = 99,145,635,876
5. Step 5: Solve for x
   x = 99,145,635,876/133,390.50
6. Step 6: Final answer
   x = 743,273.59