Finding the Third Proportional to 345,848 and 745,048

Step by Step Solution

1. Step 1: Write the proportion equation
   345,848 : 745,048 = 745,048 : x
2. Step 2: Convert to fraction form
   345,848/745,048 = 745,048/x
3. Step 3: Cross multiply
   345,848x = 745,048 × 745,048
4. Step 4: Simplify right side
   345,848x = 555,096,522,304
5. Step 5: Solve for x
   x = 555,096,522,304/345,848
6. Step 6: Final answer
   x = 1,605,030.31