Finding the Third Proportional to 1,638,527 and 3,355,786

Step by Step Solution

1. Step 1: Write the proportion equation
   1,638,527 : 3,355,786 = 3,355,786 : x
2. Step 2: Convert to fraction form
   1,638,527/3,355,786 = 3,355,786/x
3. Step 3: Cross multiply
   1,638,527x = 3,355,786 × 3,355,786
4. Step 4: Simplify right side
   1,638,527x = 11,261,299,677,796
5. Step 5: Solve for x
   x = 11,261,299,677,796/1,638,527
6. Step 6: Final answer
   x = 6,872,819.11