Finding the Third Proportional to 340,012.69 and 744,501.38

Step by Step Solution

1. Step 1: Write the proportion equation
   340,012.69 : 744,501.38 = 744,501.38 : x
2. Step 2: Convert to fraction form
   340,012.69/744,501.38 = 744,501.38/x
3. Step 3: Cross multiply
   340,012.69x = 744,501.38 × 744,501.38
4. Step 4: Simplify right side
   340,012.69x = 554,282,297,376.89
5. Step 5: Solve for x
   x = 554,282,297,376.89/340,012.69
6. Step 6: Final answer
   x = 1,630,181.22