Finding the Third Proportional to 830,517 and 1,317,672

Step by Step Solution

1. Step 1: Write the proportion equation
   830,517 : 1,317,672 = 1,317,672 : x
2. Step 2: Convert to fraction form
   830,517/1,317,672 = 1,317,672/x
3. Step 3: Cross multiply
   830,517x = 1,317,672 × 1,317,672
4. Step 4: Simplify right side
   830,517x = 1,736,259,499,584
5. Step 5: Solve for x
   x = 1,736,259,499,584/830,517
6. Step 6: Final answer
   x = 2,090,576.71