Finding the Third Proportional to 340,093.69 and 742,356.56

Step by Step Solution

1. Step 1: Write the proportion equation
   340,093.69 : 742,356.56 = 742,356.56 : x
2. Step 2: Convert to fraction form
   340,093.69/742,356.56 = 742,356.56/x
3. Step 3: Cross multiply
   340,093.69x = 742,356.56 × 742,356.56
4. Step 4: Simplify right side
   340,093.69x = 551,093,265,886.82
5. Step 5: Solve for x
   x = 551,093,265,886.82/340,093.69
6. Step 6: Final answer
   x = 1,620,416.04