Finding the Third Proportional to 1,631,346 and 3,557,604

Step by Step Solution

1. Step 1: Write the proportion equation
   1,631,346 : 3,557,604 = 3,557,604 : x
2. Step 2: Convert to fraction form
   1,631,346/3,557,604 = 3,557,604/x
3. Step 3: Cross multiply
   1,631,346x = 3,557,604 × 3,557,604
4. Step 4: Simplify right side
   1,631,346x = 12,656,546,220,816
5. Step 5: Solve for x
   x = 12,656,546,220,816/1,631,346
6. Step 6: Final answer
   x = 7,758,345.70