Finding the Third Proportional to 676,469 and 1,070,361

Step by Step Solution

1. Step 1: Write the proportion equation
   676,469 : 1,070,361 = 1,070,361 : x
2. Step 2: Convert to fraction form
   676,469/1,070,361 = 1,070,361/x
3. Step 3: Cross multiply
   676,469x = 1,070,361 × 1,070,361
4. Step 4: Simplify right side
   676,469x = 1,145,672,670,321
5. Step 5: Solve for x
   x = 1,145,672,670,321/676,469
6. Step 6: Final answer
   x = 1,693,607.05