Finding the Third Proportional to 519,979.50 and 1,139,224.50

Step by Step Solution

1. Step 1: Write the proportion equation
   519,979.50 : 1,139,224.50 = 1,139,224.50 : x
2. Step 2: Convert to fraction form
   519,979.50/1,139,224.50 = 1,139,224.50/x
3. Step 3: Cross multiply
   519,979.50x = 1,139,224.50 × 1,139,224.50
4. Step 4: Simplify right side
   519,979.50x = 1,297,832,461,400.25
5. Step 5: Solve for x
   x = 1,297,832,461,400.25/519,979.50
6. Step 6: Final answer
   x = 2,495,930.05