Finding the Third Proportional to 749,034 and 1,617,780

Step by Step Solution

1. Step 1: Write the proportion equation
   749,034 : 1,617,780 = 1,617,780 : x
2. Step 2: Convert to fraction form
   749,034/1,617,780 = 1,617,780/x
3. Step 3: Cross multiply
   749,034x = 1,617,780 × 1,617,780
4. Step 4: Simplify right side
   749,034x = 2,617,212,128,400
5. Step 5: Solve for x
   x = 2,617,212,128,400/749,034
6. Step 6: Final answer
   x = 3,494,116.59