Finding the Third Proportional to 517,705.75 and 1,112,255.50

Step by Step Solution

1. Step 1: Write the proportion equation
   517,705.75 : 1,112,255.50 = 1,112,255.50 : x
2. Step 2: Convert to fraction form
   517,705.75/1,112,255.50 = 1,112,255.50/x
3. Step 3: Cross multiply
   517,705.75x = 1,112,255.50 × 1,112,255.50
4. Step 4: Simplify right side
   517,705.75x = 1,237,112,297,280.25
5. Step 5: Solve for x
   x = 1,237,112,297,280.25/517,705.75
6. Step 6: Final answer
   x = 2,389,605.09