Finding the Third Proportional to 340,270.50 and 745,665

Step by Step Solution

1. Step 1: Write the proportion equation
   340,270.50 : 745,665 = 745,665 : x
2. Step 2: Convert to fraction form
   340,270.50/745,665 = 745,665/x
3. Step 3: Cross multiply
   340,270.50x = 745,665 × 745,665
4. Step 4: Simplify right side
   340,270.50x = 556,016,292,225
5. Step 5: Solve for x
   x = 556,016,292,225/340,270.50
6. Step 6: Final answer
   x = 1,634,042.01