Finding the Third Proportional to 774,180 and 1,138,500

Step by Step Solution

1. Step 1: Write the proportion equation
   774,180 : 1,138,500 = 1,138,500 : x
2. Step 2: Convert to fraction form
   774,180/1,138,500 = 1,138,500/x
3. Step 3: Cross multiply
   774,180x = 1,138,500 × 1,138,500
4. Step 4: Simplify right side
   774,180x = 1,296,182,250,000
5. Step 5: Solve for x
   x = 1,296,182,250,000/774,180
6. Step 6: Final answer
   x = 1,674,264.71