Finding the Third Proportional to 341,340.75 and 742,860

Step by Step Solution

1. Step 1: Write the proportion equation
   341,340.75 : 742,860 = 742,860 : x
2. Step 2: Convert to fraction form
   341,340.75/742,860 = 742,860/x
3. Step 3: Cross multiply
   341,340.75x = 742,860 × 742,860
4. Step 4: Simplify right side
   341,340.75x = 551,840,979,600
5. Step 5: Solve for x
   x = 551,840,979,600/341,340.75
6. Step 6: Final answer
   x = 1,616,686.49