Finding the Third Proportional to 584,216 and 887,300

Step by Step Solution

1. Step 1: Write the proportion equation
   584,216 : 887,300 = 887,300 : x
2. Step 2: Convert to fraction form
   584,216/887,300 = 887,300/x
3. Step 3: Cross multiply
   584,216x = 887,300 × 887,300
4. Step 4: Simplify right side
   584,216x = 787,301,290,000
5. Step 5: Solve for x
   x = 787,301,290,000/584,216
6. Step 6: Final answer
   x = 1,347,620.21