Finding the Third Proportional to 355,375.50 and 838,920

Step by Step Solution

1. Step 1: Write the proportion equation
   355,375.50 : 838,920 = 838,920 : x
2. Step 2: Convert to fraction form
   355,375.50/838,920 = 838,920/x
3. Step 3: Cross multiply
   355,375.50x = 838,920 × 838,920
4. Step 4: Simplify right side
   355,375.50x = 703,786,766,400
5. Step 5: Solve for x
   x = 703,786,766,400/355,375.50
6. Step 6: Final answer
   x = 1,980,403.17