Finding the Third Proportional to 916,240 and 1,398,050

Step by Step Solution

1. Step 1: Write the proportion equation
   916,240 : 1,398,050 = 1,398,050 : x
2. Step 2: Convert to fraction form
   916,240/1,398,050 = 1,398,050/x
3. Step 3: Cross multiply
   916,240x = 1,398,050 × 1,398,050
4. Step 4: Simplify right side
   916,240x = 1,954,543,802,500
5. Step 5: Solve for x
   x = 1,954,543,802,500/916,240
6. Step 6: Final answer
   x = 2,133,222.52