Finding the Third Proportional to 758,304 and 1,638,216

Step by Step Solution

1. Step 1: Write the proportion equation
   758,304 : 1,638,216 = 1,638,216 : x
2. Step 2: Convert to fraction form
   758,304/1,638,216 = 1,638,216/x
3. Step 3: Cross multiply
   758,304x = 1,638,216 × 1,638,216
4. Step 4: Simplify right side
   758,304x = 2,683,751,662,656
5. Step 5: Solve for x
   x = 2,683,751,662,656/758,304
6. Step 6: Final answer
   x = 3,539,150.08