Finding the Third Proportional to 727,380 and 1,580,666

Step by Step Solution

1. Step 1: Write the proportion equation
   727,380 : 1,580,666 = 1,580,666 : x
2. Step 2: Convert to fraction form
   727,380/1,580,666 = 1,580,666/x
3. Step 3: Cross multiply
   727,380x = 1,580,666 × 1,580,666
4. Step 4: Simplify right side
   727,380x = 2,498,505,003,556
5. Step 5: Solve for x
   x = 2,498,505,003,556/727,380
6. Step 6: Final answer
   x = 3,434,937.73