Finding the Third Proportional to 519,613.50 and 1,116,580.50

Step by Step Solution

1. Step 1: Write the proportion equation
   519,613.50 : 1,116,580.50 = 1,116,580.50 : x
2. Step 2: Convert to fraction form
   519,613.50/1,116,580.50 = 1,116,580.50/x
3. Step 3: Cross multiply
   519,613.50x = 1,116,580.50 × 1,116,580.50
4. Step 4: Simplify right side
   519,613.50x = 1,246,752,012,980.25
5. Step 5: Solve for x
   x = 1,246,752,012,980.25/519,613.50
6. Step 6: Final answer
   x = 2,399,383.41