Finding the Third Proportional to 590,593.50 and 1,289,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   590,593.50 : 1,289,443.50 = 1,289,443.50 : x
2. Step 2: Convert to fraction form
   590,593.50/1,289,443.50 = 1,289,443.50/x
3. Step 3: Cross multiply
   590,593.50x = 1,289,443.50 × 1,289,443.50
4. Step 4: Simplify right side
   590,593.50x = 1,662,664,539,692.25
5. Step 5: Solve for x
   x = 1,662,664,539,692.25/590,593.50
6. Step 6: Final answer
   x = 2,815,243.55