Finding the Third Proportional to 1,538,627 and 3,561,643

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,627 : 3,561,643 = 3,561,643 : x
2. Step 2: Convert to fraction form
   1,538,627/3,561,643 = 3,561,643/x
3. Step 3: Cross multiply
   1,538,627x = 3,561,643 × 3,561,643
4. Step 4: Simplify right side
   1,538,627x = 12,685,300,859,449
5. Step 5: Solve for x
   x = 12,685,300,859,449/1,538,627
6. Step 6: Final answer
   x = 8,244,558.86