Finding the Third Proportional to 622,308.50 and 1,375,654.50

Step by Step Solution

1. Step 1: Write the proportion equation
   622,308.50 : 1,375,654.50 = 1,375,654.50 : x
2. Step 2: Convert to fraction form
   622,308.50/1,375,654.50 = 1,375,654.50/x
3. Step 3: Cross multiply
   622,308.50x = 1,375,654.50 × 1,375,654.50
4. Step 4: Simplify right side
   622,308.50x = 1,892,425,303,370.25
5. Step 5: Solve for x
   x = 1,892,425,303,370.25/622,308.50
6. Step 6: Final answer
   x = 3,040,976.15