Finding the Third Proportional to 1,645,173 and 3,499,866

Step by Step Solution

1. Step 1: Write the proportion equation
   1,645,173 : 3,499,866 = 3,499,866 : x
2. Step 2: Convert to fraction form
   1,645,173/3,499,866 = 3,499,866/x
3. Step 3: Cross multiply
   1,645,173x = 3,499,866 × 3,499,866
4. Step 4: Simplify right side
   1,645,173x = 12,249,062,017,956
5. Step 5: Solve for x
   x = 12,249,062,017,956/1,645,173
6. Step 6: Final answer
   x = 7,445,455.29