Finding the Third Proportional to 1,828,656 and 4,205,664

Step by Step Solution

1. Step 1: Write the proportion equation
   1,828,656 : 4,205,664 = 4,205,664 : x
2. Step 2: Convert to fraction form
   1,828,656/4,205,664 = 4,205,664/x
3. Step 3: Cross multiply
   1,828,656x = 4,205,664 × 4,205,664
4. Step 4: Simplify right side
   1,828,656x = 17,687,609,680,896
5. Step 5: Solve for x
   x = 17,687,609,680,896/1,828,656
6. Step 6: Final answer
   x = 9,672,464.19