Finding the Third Proportional to 517,606.50 and 1,056,340.50

Step by Step Solution

1. Step 1: Write the proportion equation
   517,606.50 : 1,056,340.50 = 1,056,340.50 : x
2. Step 2: Convert to fraction form
   517,606.50/1,056,340.50 = 1,056,340.50/x
3. Step 3: Cross multiply
   517,606.50x = 1,056,340.50 × 1,056,340.50
4. Step 4: Simplify right side
   517,606.50x = 1,115,855,251,940.25
5. Step 5: Solve for x
   x = 1,115,855,251,940.25/517,606.50
6. Step 6: Final answer
   x = 2,155,798.38