Finding the Third Proportional to 831,289 and 1,786,900

Step by Step Solution

1. Step 1: Write the proportion equation
   831,289 : 1,786,900 = 1,786,900 : x
2. Step 2: Convert to fraction form
   831,289/1,786,900 = 1,786,900/x
3. Step 3: Cross multiply
   831,289x = 1,786,900 × 1,786,900
4. Step 4: Simplify right side
   831,289x = 3,193,011,610,000
5. Step 5: Solve for x
   x = 3,193,011,610,000/831,289
6. Step 6: Final answer
   x = 3,841,036.76