Finding the Third Proportional to 771,458 and 1,580,500

Step by Step Solution

1. Step 1: Write the proportion equation
   771,458 : 1,580,500 = 1,580,500 : x
2. Step 2: Convert to fraction form
   771,458/1,580,500 = 1,580,500/x
3. Step 3: Cross multiply
   771,458x = 1,580,500 × 1,580,500
4. Step 4: Simplify right side
   771,458x = 2,497,980,250,000
5. Step 5: Solve for x
   x = 2,497,980,250,000/771,458
6. Step 6: Final answer
   x = 3,237,999.02