Finding the Third Proportional to 346,300.50 and 741,870

Step by Step Solution

1. Step 1: Write the proportion equation
   346,300.50 : 741,870 = 741,870 : x
2. Step 2: Convert to fraction form
   346,300.50/741,870 = 741,870/x
3. Step 3: Cross multiply
   346,300.50x = 741,870 × 741,870
4. Step 4: Simplify right side
   346,300.50x = 550,371,096,900
5. Step 5: Solve for x
   x = 550,371,096,900/346,300.50
6. Step 6: Final answer
   x = 1,589,287.62