Finding the Third Proportional to 402,272.50 and 837,917

Step by Step Solution

1. Step 1: Write the proportion equation
   402,272.50 : 837,917 = 837,917 : x
2. Step 2: Convert to fraction form
   402,272.50/837,917 = 837,917/x
3. Step 3: Cross multiply
   402,272.50x = 837,917 × 837,917
4. Step 4: Simplify right side
   402,272.50x = 702,104,898,889
5. Step 5: Solve for x
   x = 702,104,898,889/402,272.50
6. Step 6: Final answer
   x = 1,745,346.50