Finding the Third Proportional to 357,656 and 773,390

Step by Step Solution

1. Step 1: Write the proportion equation
   357,656 : 773,390 = 773,390 : x
2. Step 2: Convert to fraction form
   357,656/773,390 = 773,390/x
3. Step 3: Cross multiply
   357,656x = 773,390 × 773,390
4. Step 4: Simplify right side
   357,656x = 598,132,092,100
5. Step 5: Solve for x
   x = 598,132,092,100/357,656
6. Step 6: Final answer
   x = 1,672,367.00