Finding the Third Proportional to 581,654 and 869,007

Step by Step Solution

1. Step 1: Write the proportion equation
   581,654 : 869,007 = 869,007 : x
2. Step 2: Convert to fraction form
   581,654/869,007 = 869,007/x
3. Step 3: Cross multiply
   581,654x = 869,007 × 869,007
4. Step 4: Simplify right side
   581,654x = 755,173,166,049
5. Step 5: Solve for x
   x = 755,173,166,049/581,654
6. Step 6: Final answer
   x = 1,298,320.25