Finding the Third Proportional to 402,270.50 and 837,912

Step by Step Solution

1. Step 1: Write the proportion equation
   402,270.50 : 837,912 = 837,912 : x
2. Step 2: Convert to fraction form
   402,270.50/837,912 = 837,912/x
3. Step 3: Cross multiply
   402,270.50x = 837,912 × 837,912
4. Step 4: Simplify right side
   402,270.50x = 702,096,519,744
5. Step 5: Solve for x
   x = 702,096,519,744/402,270.50
6. Step 6: Final answer
   x = 1,745,334.35