Finding the Third Proportional to 155,428.50 and 332,910

Step by Step Solution

1. Step 1: Write the proportion equation
   155,428.50 : 332,910 = 332,910 : x
2. Step 2: Convert to fraction form
   155,428.50/332,910 = 332,910/x
3. Step 3: Cross multiply
   155,428.50x = 332,910 × 332,910
4. Step 4: Simplify right side
   155,428.50x = 110,829,068,100
5. Step 5: Solve for x
   x = 110,829,068,100/155,428.50
6. Step 6: Final answer
   x = 713,054.99