Finding the Third Proportional to 359,292 and 788,568.75

Step by Step Solution

1. Step 1: Write the proportion equation
   359,292 : 788,568.75 = 788,568.75 : x
2. Step 2: Convert to fraction form
   359,292/788,568.75 = 788,568.75/x
3. Step 3: Cross multiply
   359,292x = 788,568.75 × 788,568.75
4. Step 4: Simplify right side
   359,292x = 621,840,673,476.56
5. Step 5: Solve for x
   x = 621,840,673,476.56/359,292
6. Step 6: Final answer
   x = 1,730,738.99