Finding the Third Proportional to 336,879 and 729,823.50

Step by Step Solution

1. Step 1: Write the proportion equation
   336,879 : 729,823.50 = 729,823.50 : x
2. Step 2: Convert to fraction form
   336,879/729,823.50 = 729,823.50/x
3. Step 3: Cross multiply
   336,879x = 729,823.50 × 729,823.50
4. Step 4: Simplify right side
   336,879x = 532,642,341,152.25
5. Step 5: Solve for x
   x = 532,642,341,152.25/336,879
6. Step 6: Final answer
   x = 1,581,108.77