Finding the Third Proportional to 402,260 and 837,892

Step by Step Solution

1. Step 1: Write the proportion equation
   402,260 : 837,892 = 837,892 : x
2. Step 2: Convert to fraction form
   402,260/837,892 = 837,892/x
3. Step 3: Cross multiply
   402,260x = 837,892 × 837,892
4. Step 4: Simplify right side
   402,260x = 702,063,003,664
5. Step 5: Solve for x
   x = 702,063,003,664/402,260
6. Step 6: Final answer
   x = 1,745,296.58