Finding the Third Proportional to 1,631,358 and 3,557,628

Step by Step Solution

1. Step 1: Write the proportion equation
   1,631,358 : 3,557,628 = 3,557,628 : x
2. Step 2: Convert to fraction form
   1,631,358/3,557,628 = 3,557,628/x
3. Step 3: Cross multiply
   1,631,358x = 3,557,628 × 3,557,628
4. Step 4: Simplify right side
   1,631,358x = 12,656,716,986,384
5. Step 5: Solve for x
   x = 12,656,716,986,384/1,631,358
6. Step 6: Final answer
   x = 7,758,393.31