Finding the Third Proportional to 517,182 and 802,837.50

Step by Step Solution

1. Step 1: Write the proportion equation
   517,182 : 802,837.50 = 802,837.50 : x
2. Step 2: Convert to fraction form
   517,182/802,837.50 = 802,837.50/x
3. Step 3: Cross multiply
   517,182x = 802,837.50 × 802,837.50
4. Step 4: Simplify right side
   517,182x = 644,548,051,406.25
5. Step 5: Solve for x
   x = 644,548,051,406.25/517,182
6. Step 6: Final answer
   x = 1,246,269.30