Finding the Third Proportional to 1,171,399.50 and 1,769,580

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171,399.50 : 1,769,580 = 1,769,580 : x
2. Step 2: Convert to fraction form
   1,171,399.50/1,769,580 = 1,769,580/x
3. Step 3: Cross multiply
   1,171,399.50x = 1,769,580 × 1,769,580
4. Step 4: Simplify right side
   1,171,399.50x = 3,131,413,376,400
5. Step 5: Solve for x
   x = 3,131,413,376,400/1,171,399.50
6. Step 6: Final answer
   x = 2,673,224.10