Finding the Third Proportional to 1,137,688 and 2,457,824

Step by Step Solution

1. Step 1: Write the proportion equation
   1,137,688 : 2,457,824 = 2,457,824 : x
2. Step 2: Convert to fraction form
   1,137,688/2,457,824 = 2,457,824/x
3. Step 3: Cross multiply
   1,137,688x = 2,457,824 × 2,457,824
4. Step 4: Simplify right side
   1,137,688x = 6,040,898,814,976
5. Step 5: Solve for x
   x = 6,040,898,814,976/1,137,688
6. Step 6: Final answer
   x = 5,309,802.70