Finding the Third Proportional to 1,637,556 and 3,553,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,637,556 : 3,553,428 = 3,553,428 : x
2. Step 2: Convert to fraction form
   1,637,556/3,553,428 = 3,553,428/x
3. Step 3: Cross multiply
   1,637,556x = 3,553,428 × 3,553,428
4. Step 4: Simplify right side
   1,637,556x = 12,626,850,551,184
5. Step 5: Solve for x
   x = 12,626,850,551,184/1,637,556
6. Step 6: Final answer
   x = 7,710,790.07