Finding the Third Proportional to 1,123,578 and 2,457,360

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,578 : 2,457,360 = 2,457,360 : x
2. Step 2: Convert to fraction form
   1,123,578/2,457,360 = 2,457,360/x
3. Step 3: Cross multiply
   1,123,578x = 2,457,360 × 2,457,360
4. Step 4: Simplify right side
   1,123,578x = 6,038,618,169,600
5. Step 5: Solve for x
   x = 6,038,618,169,600/1,123,578
6. Step 6: Final answer
   x = 5,374,453.90