Finding the Third Proportional to 340,390.69 and 462,511.69

Step by Step Solution

1. Step 1: Write the proportion equation
   340,390.69 : 462,511.69 = 462,511.69 : x
2. Step 2: Convert to fraction form
   340,390.69/462,511.69 = 462,511.69/x
3. Step 3: Cross multiply
   340,390.69x = 462,511.69 × 462,511.69
4. Step 4: Simplify right side
   340,390.69x = 213,917,061,074.10
5. Step 5: Solve for x
   x = 213,917,061,074.10/340,390.69
6. Step 6: Final answer
   x = 628,445.69