Finding the Third Proportional to 340,819.50 and 738,063

Step by Step Solution

1. Step 1: Write the proportion equation
   340,819.50 : 738,063 = 738,063 : x
2. Step 2: Convert to fraction form
   340,819.50/738,063 = 738,063/x
3. Step 3: Cross multiply
   340,819.50x = 738,063 × 738,063
4. Step 4: Simplify right side
   340,819.50x = 544,736,991,969
5. Step 5: Solve for x
   x = 544,736,991,969/340,819.50
6. Step 6: Final answer
   x = 1,598,315.21