Finding the Third Proportional to 402,279.50 and 837,930

Step by Step Solution

1. Step 1: Write the proportion equation
   402,279.50 : 837,930 = 837,930 : x
2. Step 2: Convert to fraction form
   402,279.50/837,930 = 837,930/x
3. Step 3: Cross multiply
   402,279.50x = 837,930 × 837,930
4. Step 4: Simplify right side
   402,279.50x = 702,126,684,900
5. Step 5: Solve for x
   x = 702,126,684,900/402,279.50
6. Step 6: Final answer
   x = 1,745,370.28