Finding the Third Proportional to 550,456.50 and 1,115,701.50

Step by Step Solution

1. Step 1: Write the proportion equation
   550,456.50 : 1,115,701.50 = 1,115,701.50 : x
2. Step 2: Convert to fraction form
   550,456.50/1,115,701.50 = 1,115,701.50/x
3. Step 3: Cross multiply
   550,456.50x = 1,115,701.50 × 1,115,701.50
4. Step 4: Simplify right side
   550,456.50x = 1,244,789,837,102.25
5. Step 5: Solve for x
   x = 1,244,789,837,102.25/550,456.50
6. Step 6: Final answer
   x = 2,261,377.31