Finding the Third Proportional to 582,776 and 900,045

Step by Step Solution

1. Step 1: Write the proportion equation
   582,776 : 900,045 = 900,045 : x
2. Step 2: Convert to fraction form
   582,776/900,045 = 900,045/x
3. Step 3: Cross multiply
   582,776x = 900,045 × 900,045
4. Step 4: Simplify right side
   582,776x = 810,081,002,025
5. Step 5: Solve for x
   x = 810,081,002,025/582,776
6. Step 6: Final answer
   x = 1,390,038.37