Finding the Third Proportional to 517,872 and 794,920.50

Step by Step Solution

1. Step 1: Write the proportion equation
   517,872 : 794,920.50 = 794,920.50 : x
2. Step 2: Convert to fraction form
   517,872/794,920.50 = 794,920.50/x
3. Step 3: Cross multiply
   517,872x = 794,920.50 × 794,920.50
4. Step 4: Simplify right side
   517,872x = 631,898,601,320.25
5. Step 5: Solve for x
   x = 631,898,601,320.25/517,872
6. Step 6: Final answer
   x = 1,220,182.98