Finding the Third Proportional to 603,055 and 819,001.50

Step by Step Solution

1. Step 1: Write the proportion equation
   603,055 : 819,001.50 = 819,001.50 : x
2. Step 2: Convert to fraction form
   603,055/819,001.50 = 819,001.50/x
3. Step 3: Cross multiply
   603,055x = 819,001.50 × 819,001.50
4. Step 4: Simplify right side
   603,055x = 670,763,457,002.25
5. Step 5: Solve for x
   x = 670,763,457,002.25/603,055
6. Step 6: Final answer
   x = 1,112,275.76