Finding the Third Proportional to 830,666 and 1,262,419

Step by Step Solution

1. Step 1: Write the proportion equation
   830,666 : 1,262,419 = 1,262,419 : x
2. Step 2: Convert to fraction form
   830,666/1,262,419 = 1,262,419/x
3. Step 3: Cross multiply
   830,666x = 1,262,419 × 1,262,419
4. Step 4: Simplify right side
   830,666x = 1,593,701,731,561
5. Step 5: Solve for x
   x = 1,593,701,731,561/830,666
6. Step 6: Final answer
   x = 1,918,583.08