Finding the Third Proportional to 295,662 and 647,297.50

Step by Step Solution

1. Step 1: Write the proportion equation
   295,662 : 647,297.50 = 647,297.50 : x
2. Step 2: Convert to fraction form
   295,662/647,297.50 = 647,297.50/x
3. Step 3: Cross multiply
   295,662x = 647,297.50 × 647,297.50
4. Step 4: Simplify right side
   295,662x = 418,994,053,506.25
5. Step 5: Solve for x
   x = 418,994,053,506.25/295,662
6. Step 6: Final answer
   x = 1,417,138.67