Finding the Third Proportional to 363,685.50 and 790,323

Step by Step Solution

1. Step 1: Write the proportion equation
   363,685.50 : 790,323 = 790,323 : x
2. Step 2: Convert to fraction form
   363,685.50/790,323 = 790,323/x
3. Step 3: Cross multiply
   363,685.50x = 790,323 × 790,323
4. Step 4: Simplify right side
   363,685.50x = 624,610,444,329
5. Step 5: Solve for x
   x = 624,610,444,329/363,685.50
6. Step 6: Final answer
   x = 1,717,446.65