Finding the Third Proportional to 1,628,224 and 2,490,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,628,224 : 2,490,688 = 2,490,688 : x
2. Step 2: Convert to fraction form
   1,628,224/2,490,688 = 2,490,688/x
3. Step 3: Cross multiply
   1,628,224x = 2,490,688 × 2,490,688
4. Step 4: Simplify right side
   1,628,224x = 6,203,526,713,344
5. Step 5: Solve for x
   x = 6,203,526,713,344/1,628,224
6. Step 6: Final answer
   x = 3,809,995.87