Finding the Third Proportional to 148,874 and 323,989.75

Step by Step Solution

1. Step 1: Write the proportion equation
   148,874 : 323,989.75 = 323,989.75 : x
2. Step 2: Convert to fraction form
   148,874/323,989.75 = 323,989.75/x
3. Step 3: Cross multiply
   148,874x = 323,989.75 × 323,989.75
4. Step 4: Simplify right side
   148,874x = 104,969,358,105.06
5. Step 5: Solve for x
   x = 104,969,358,105.06/148,874
6. Step 6: Final answer
   x = 705,088.59