Finding the Third Proportional to 402,273.50 and 837,918

Step by Step Solution

1. Step 1: Write the proportion equation
   402,273.50 : 837,918 = 837,918 : x
2. Step 2: Convert to fraction form
   402,273.50/837,918 = 837,918/x
3. Step 3: Cross multiply
   402,273.50x = 837,918 × 837,918
4. Step 4: Simplify right side
   402,273.50x = 702,106,574,724
5. Step 5: Solve for x
   x = 702,106,574,724/402,273.50
6. Step 6: Final answer
   x = 1,745,346.32