Finding the Third Proportional to 645,862 and 1,414,845

Step by Step Solution

1. Step 1: Write the proportion equation
   645,862 : 1,414,845 = 1,414,845 : x
2. Step 2: Convert to fraction form
   645,862/1,414,845 = 1,414,845/x
3. Step 3: Cross multiply
   645,862x = 1,414,845 × 1,414,845
4. Step 4: Simplify right side
   645,862x = 2,001,786,374,025
5. Step 5: Solve for x
   x = 2,001,786,374,025/645,862
6. Step 6: Final answer
   x = 3,099,402.62