Finding the Third Proportional to 1,631,356 and 3,557,624

Step by Step Solution

1. Step 1: Write the proportion equation
   1,631,356 : 3,557,624 = 3,557,624 : x
2. Step 2: Convert to fraction form
   1,631,356/3,557,624 = 3,557,624/x
3. Step 3: Cross multiply
   1,631,356x = 3,557,624 × 3,557,624
4. Step 4: Simplify right side
   1,631,356x = 12,656,688,525,376
5. Step 5: Solve for x
   x = 12,656,688,525,376/1,631,356
6. Step 6: Final answer
   x = 7,758,385.37