Finding the Third Proportional to 1,708,818 and 3,638,496

Step by Step Solution

1. Step 1: Write the proportion equation
   1,708,818 : 3,638,496 = 3,638,496 : x
2. Step 2: Convert to fraction form
   1,708,818/3,638,496 = 3,638,496/x
3. Step 3: Cross multiply
   1,708,818x = 3,638,496 × 3,638,496
4. Step 4: Simplify right side
   1,708,818x = 13,238,653,142,016
5. Step 5: Solve for x
   x = 13,238,653,142,016/1,708,818
6. Step 6: Final answer
   x = 7,747,257.54