Finding the Third Proportional to 412,110 and 868,500

Step by Step Solution

1. Step 1: Write the proportion equation
   412,110 : 868,500 = 868,500 : x
2. Step 2: Convert to fraction form
   412,110/868,500 = 868,500/x
3. Step 3: Cross multiply
   412,110x = 868,500 × 868,500
4. Step 4: Simplify right side
   412,110x = 754,292,250,000
5. Step 5: Solve for x
   x = 754,292,250,000/412,110
6. Step 6: Final answer
   x = 1,830,317.75