Finding the Third Proportional to 582,121.69 and 1,272,454.31

Step by Step Solution

1. Step 1: Write the proportion equation
   582,121.69 : 1,272,454.31 = 1,272,454.31 : x
2. Step 2: Convert to fraction form
   582,121.69/1,272,454.31 = 1,272,454.31/x
3. Step 3: Cross multiply
   582,121.69x = 1,272,454.31 × 1,272,454.31
4. Step 4: Simplify right side
   582,121.69x = 1,619,139,977,399.85
5. Step 5: Solve for x
   x = 1,619,139,977,399.85/582,121.69
6. Step 6: Final answer
   x = 2,781,445.89