Finding the Third Proportional to 359,586 and 788,292

Step by Step Solution

1. Step 1: Write the proportion equation
   359,586 : 788,292 = 788,292 : x
2. Step 2: Convert to fraction form
   359,586/788,292 = 788,292/x
3. Step 3: Cross multiply
   359,586x = 788,292 × 788,292
4. Step 4: Simplify right side
   359,586x = 621,404,277,264
5. Step 5: Solve for x
   x = 621,404,277,264/359,586
6. Step 6: Final answer
   x = 1,728,110.32