Finding the Third Proportional to 363,721.50 and 790,392

Step by Step Solution

1. Step 1: Write the proportion equation
   363,721.50 : 790,392 = 790,392 : x
2. Step 2: Convert to fraction form
   363,721.50/790,392 = 790,392/x
3. Step 3: Cross multiply
   363,721.50x = 790,392 × 790,392
4. Step 4: Simplify right side
   363,721.50x = 624,719,513,664
5. Step 5: Solve for x
   x = 624,719,513,664/363,721.50
6. Step 6: Final answer
   x = 1,717,576.53